Home / 52,575.84-78,863.31-13,132.68

Finding the Fourth Proportional to 52,575.84, 78,863.31 and 13,132.68

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Solution

The fourth proportional to 52,575.84, 78,863.31 and 13,132.68 is: 19,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,575.84 : 78,863.31 = 13,132.68 : x
  2. Step 2: Convert to fraction form
    52,575.84/78,863.31 = 13,132.68/x
  3. Step 3: Cross multiply
    52,575.84x = 78,863.31 × 13,132.68
  4. Step 4: Simplify right side
    52,575.84x = 1,035,686,613.97
  5. Step 5: Solve for x
    x = 1,035,686,613.97/52,575.84
  6. Step 6: Final answer
    x = 19,698.91

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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.