Home / 39,724.02-59,592.09-13,421.70

Finding the Fourth Proportional to 39,724.02, 59,592.09 and 13,421.70

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Solution

The fourth proportional to 39,724.02, 59,592.09 and 13,421.70 is: 20,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,724.02 : 59,592.09 = 13,421.70 : x
  2. Step 2: Convert to fraction form
    39,724.02/59,592.09 = 13,421.70/x
  3. Step 3: Cross multiply
    39,724.02x = 59,592.09 × 13,421.70
  4. Step 4: Simplify right side
    39,724.02x = 799,827,154.35
  5. Step 5: Solve for x
    x = 799,827,154.35/39,724.02
  6. Step 6: Final answer
    x = 20,134.60

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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.