Home / 60,005.05-89,981.92-20,566.15

Finding the Fourth Proportional to 60,005.05, 89,981.92 and 20,566.15

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Solution

The fourth proportional to 60,005.05, 89,981.92 and 20,566.15 is: 30,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,005.05 : 89,981.92 = 20,566.15 : x
  2. Step 2: Convert to fraction form
    60,005.05/89,981.92 = 20,566.15/x
  3. Step 3: Cross multiply
    60,005.05x = 89,981.92 × 20,566.15
  4. Step 4: Simplify right side
    60,005.05x = 1,850,581,664.01
  5. Step 5: Solve for x
    x = 1,850,581,664.01/60,005.05
  6. Step 6: Final answer
    x = 30,840.43

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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.