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Finding the Fourth Proportional to 60,343.92, 90,518.31 and 28,737.72

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Solution

The fourth proportional to 60,343.92, 90,518.31 and 28,737.72 is: 43,107.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,343.92 : 90,518.31 = 28,737.72 : x
  2. Step 2: Convert to fraction form
    60,343.92/90,518.31 = 28,737.72/x
  3. Step 3: Cross multiply
    60,343.92x = 90,518.31 × 28,737.72
  4. Step 4: Simplify right side
    60,343.92x = 2,601,289,847.65
  5. Step 5: Solve for x
    x = 2,601,289,847.65/60,343.92
  6. Step 6: Final answer
    x = 43,107.74

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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.