Home / 43,074.08-64,545.17-28,981.91

Finding the Fourth Proportional to 43,074.08, 64,545.17 and 28,981.91

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Solution

The fourth proportional to 43,074.08, 64,545.17 and 28,981.91 is: 43,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.08 : 64,545.17 = 28,981.91 : x
  2. Step 2: Convert to fraction form
    43,074.08/64,545.17 = 28,981.91/x
  3. Step 3: Cross multiply
    43,074.08x = 64,545.17 × 28,981.91
  4. Step 4: Simplify right side
    43,074.08x = 1,870,641,840.24
  5. Step 5: Solve for x
    x = 1,870,641,840.24/43,074.08
  6. Step 6: Final answer
    x = 43,428.49

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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.