Home / 39,788.92-59,688.18-13,501.12

Finding the Fourth Proportional to 39,788.92, 59,688.18 and 13,501.12

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Solution

The fourth proportional to 39,788.92, 59,688.18 and 13,501.12 is: 20,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,788.92 : 59,688.18 = 13,501.12 : x
  2. Step 2: Convert to fraction form
    39,788.92/59,688.18 = 13,501.12/x
  3. Step 3: Cross multiply
    39,788.92x = 59,688.18 × 13,501.12
  4. Step 4: Simplify right side
    39,788.92x = 805,857,280.76
  5. Step 5: Solve for x
    x = 805,857,280.76/39,788.92
  6. Step 6: Final answer
    x = 20,253.31

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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.