Home / 39,953.20-59,929.84-13,658.16

Finding the Fourth Proportional to 39,953.20, 59,929.84 and 13,658.16

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Solution

The fourth proportional to 39,953.20, 59,929.84 and 13,658.16 is: 20,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.20 : 59,929.84 = 13,658.16 : x
  2. Step 2: Convert to fraction form
    39,953.20/59,929.84 = 13,658.16/x
  3. Step 3: Cross multiply
    39,953.20x = 59,929.84 × 13,658.16
  4. Step 4: Simplify right side
    39,953.20x = 818,531,343.49
  5. Step 5: Solve for x
    x = 818,531,343.49/39,953.20
  6. Step 6: Final answer
    x = 20,487.25

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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.