Home / 30,632.63-42,268.07-19,146.19

Finding the Fourth Proportional to 30,632.63, 42,268.07 and 19,146.19

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Solution

The fourth proportional to 30,632.63, 42,268.07 and 19,146.19 is: 26,418.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,632.63 : 42,268.07 = 19,146.19 : x
  2. Step 2: Convert to fraction form
    30,632.63/42,268.07 = 19,146.19/x
  3. Step 3: Cross multiply
    30,632.63x = 42,268.07 × 19,146.19
  4. Step 4: Simplify right side
    30,632.63x = 809,272,297.75
  5. Step 5: Solve for x
    x = 809,272,297.75/30,632.63
  6. Step 6: Final answer
    x = 26,418.63

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Half scale
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Double scale
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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.