Home / 52,496.28-78,744.10-19,218.66

Finding the Fourth Proportional to 52,496.28, 78,744.10 and 19,218.66

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Solution

The fourth proportional to 52,496.28, 78,744.10 and 19,218.66 is: 28,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,496.28 : 78,744.10 = 19,218.66 : x
  2. Step 2: Convert to fraction form
    52,496.28/78,744.10 = 19,218.66/x
  3. Step 3: Cross multiply
    52,496.28x = 78,744.10 × 19,218.66
  4. Step 4: Simplify right side
    52,496.28x = 1,513,356,084.91
  5. Step 5: Solve for x
    x = 1,513,356,084.91/52,496.28
  6. Step 6: Final answer
    x = 28,827.87

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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.