Home / 35,130.51-48,480.48-19,214.62

Finding the Fourth Proportional to 35,130.51, 48,480.48 and 19,214.62

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Solution

The fourth proportional to 35,130.51, 48,480.48 and 19,214.62 is: 26,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.51 : 48,480.48 = 19,214.62 : x
  2. Step 2: Convert to fraction form
    35,130.51/48,480.48 = 19,214.62/x
  3. Step 3: Cross multiply
    35,130.51x = 48,480.48 × 19,214.62
  4. Step 4: Simplify right side
    35,130.51x = 931,533,879.42
  5. Step 5: Solve for x
    x = 931,533,879.42/35,130.51
  6. Step 6: Final answer
    x = 26,516.38

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Half scale
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Double scale
Find fourth proportional to 35,131.51, 48,481.86 and 19,215.62
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.