Home / 52,637.55-78,987.45-19,380.99

Finding the Fourth Proportional to 52,637.55, 78,987.45 and 19,380.99

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Solution

The fourth proportional to 52,637.55, 78,987.45 and 19,380.99 is: 29,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,637.55 : 78,987.45 = 19,380.99 : x
  2. Step 2: Convert to fraction form
    52,637.55/78,987.45 = 19,380.99/x
  3. Step 3: Cross multiply
    52,637.55x = 78,987.45 × 19,380.99
  4. Step 4: Simplify right side
    52,637.55x = 1,530,854,978.58
  5. Step 5: Solve for x
    x = 1,530,854,978.58/52,637.55
  6. Step 6: Final answer
    x = 29,082.95

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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.