Home / 39,799.28-54,928.92-29,218.16

Finding the Fourth Proportional to 39,799.28, 54,928.92 and 29,218.16

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Solution

The fourth proportional to 39,799.28, 54,928.92 and 29,218.16 is: 40,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,799.28 : 54,928.92 = 29,218.16 : x
  2. Step 2: Convert to fraction form
    39,799.28/54,928.92 = 29,218.16/x
  3. Step 3: Cross multiply
    39,799.28x = 54,928.92 × 29,218.16
  4. Step 4: Simplify right side
    39,799.28x = 1,604,921,973.19
  5. Step 5: Solve for x
    x = 1,604,921,973.19/39,799.28
  6. Step 6: Final answer
    x = 40,325.40

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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.