Home / 59,983.02-89,965.31-20,002.70

Finding the Fourth Proportional to 59,983.02, 89,965.31 and 20,002.70

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Solution

The fourth proportional to 59,983.02, 89,965.31 and 20,002.70 is: 30,000.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,983.02 : 89,965.31 = 20,002.70 : x
  2. Step 2: Convert to fraction form
    59,983.02/89,965.31 = 20,002.70/x
  3. Step 3: Cross multiply
    59,983.02x = 89,965.31 × 20,002.70
  4. Step 4: Simplify right side
    59,983.02x = 1,799,549,106.34
  5. Step 5: Solve for x
    x = 1,799,549,106.34/59,983.02
  6. Step 6: Final answer
    x = 30,000.98

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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.