Home / 59,972.40-89,934.30-20,509.20

Finding the Fourth Proportional to 59,972.40, 89,934.30 and 20,509.20

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Solution

The fourth proportional to 59,972.40, 89,934.30 and 20,509.20 is: 30,755.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,972.40 : 89,934.30 = 20,509.20 : x
  2. Step 2: Convert to fraction form
    59,972.40/89,934.30 = 20,509.20/x
  3. Step 3: Cross multiply
    59,972.40x = 89,934.30 × 20,509.20
  4. Step 4: Simplify right side
    59,972.40x = 1,844,480,545.56
  5. Step 5: Solve for x
    x = 1,844,480,545.56/59,972.40
  6. Step 6: Final answer
    x = 30,755.49

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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.