Home / 52,567.52-78,851.28-13,124.58

Finding the Fourth Proportional to 52,567.52, 78,851.28 and 13,124.58

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Solution

The fourth proportional to 52,567.52, 78,851.28 and 13,124.58 is: 19,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,567.52 : 78,851.28 = 13,124.58 : x
  2. Step 2: Convert to fraction form
    52,567.52/78,851.28 = 13,124.58/x
  3. Step 3: Cross multiply
    52,567.52x = 78,851.28 × 13,124.58
  4. Step 4: Simplify right side
    52,567.52x = 1,034,889,932.46
  5. Step 5: Solve for x
    x = 1,034,889,932.46/52,567.52
  6. Step 6: Final answer
    x = 19,686.87

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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.