Home / 39,073.64-53,921.54-21,169.13

Finding the Fourth Proportional to 39,073.64, 53,921.54 and 21,169.13

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Solution

The fourth proportional to 39,073.64, 53,921.54 and 21,169.13 is: 29,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,073.64 : 53,921.54 = 21,169.13 : x
  2. Step 2: Convert to fraction form
    39,073.64/53,921.54 = 21,169.13/x
  3. Step 3: Cross multiply
    39,073.64x = 53,921.54 × 21,169.13
  4. Step 4: Simplify right side
    39,073.64x = 1,141,471,873.38
  5. Step 5: Solve for x
    x = 1,141,471,873.38/39,073.64
  6. Step 6: Final answer
    x = 29,213.35

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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.