Home / 39,983.40-59,982.30-16,612.20

Finding the Fourth Proportional to 39,983.40, 59,982.30 and 16,612.20

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Solution

The fourth proportional to 39,983.40, 59,982.30 and 16,612.20 is: 24,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.40 : 59,982.30 = 16,612.20 : x
  2. Step 2: Convert to fraction form
    39,983.40/59,982.30 = 16,612.20/x
  3. Step 3: Cross multiply
    39,983.40x = 59,982.30 × 16,612.20
  4. Step 4: Simplify right side
    39,983.40x = 996,437,964.06
  5. Step 5: Solve for x
    x = 996,437,964.06/39,983.40
  6. Step 6: Final answer
    x = 24,921.29

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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.