Home / 52,574.08-78,861.12-21,400.96

Finding the Fourth Proportional to 52,574.08, 78,861.12 and 21,400.96

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Solution

The fourth proportional to 52,574.08, 78,861.12 and 21,400.96 is: 32,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,574.08 : 78,861.12 = 21,400.96 : x
  2. Step 2: Convert to fraction form
    52,574.08/78,861.12 = 21,400.96/x
  3. Step 3: Cross multiply
    52,574.08x = 78,861.12 × 21,400.96
  4. Step 4: Simplify right side
    52,574.08x = 1,687,703,674.68
  5. Step 5: Solve for x
    x = 1,687,703,674.68/52,574.08
  6. Step 6: Final answer
    x = 32,101.44

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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.