Home / 39,964.80-59,947.20-38,258.40

Finding the Fourth Proportional to 39,964.80, 59,947.20 and 38,258.40

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Solution

The fourth proportional to 39,964.80, 59,947.20 and 38,258.40 is: 57,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,964.80 : 59,947.20 = 38,258.40 : x
  2. Step 2: Convert to fraction form
    39,964.80/59,947.20 = 38,258.40/x
  3. Step 3: Cross multiply
    39,964.80x = 59,947.20 × 38,258.40
  4. Step 4: Simplify right side
    39,964.80x = 2,293,483,956.48
  5. Step 5: Solve for x
    x = 2,293,483,956.48/39,964.80
  6. Step 6: Final answer
    x = 57,387.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.