Home / 35,130.38-48,480.31-19,214.49

Finding the Fourth Proportional to 35,130.38, 48,480.31 and 19,214.49

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Solution

The fourth proportional to 35,130.38, 48,480.31 and 19,214.49 is: 26,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.38 : 48,480.31 = 19,214.49 : x
  2. Step 2: Convert to fraction form
    35,130.38/48,480.31 = 19,214.49/x
  3. Step 3: Cross multiply
    35,130.38x = 48,480.31 × 19,214.49
  4. Step 4: Simplify right side
    35,130.38x = 931,524,431.69
  5. Step 5: Solve for x
    x = 931,524,431.69/35,130.38
  6. Step 6: Final answer
    x = 26,516.21

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Half scale
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Double scale
Find fourth proportional to 35,131.38, 48,481.69 and 19,215.49
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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.