Home / 52,308.11-72,185.28-28,434.71

Finding the Fourth Proportional to 52,308.11, 72,185.28 and 28,434.71

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Solution

The fourth proportional to 52,308.11, 72,185.28 and 28,434.71 is: 39,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,308.11 : 72,185.28 = 28,434.71 : x
  2. Step 2: Convert to fraction form
    52,308.11/72,185.28 = 28,434.71/x
  3. Step 3: Cross multiply
    52,308.11x = 72,185.28 × 28,434.71
  4. Step 4: Simplify right side
    52,308.11x = 2,052,567,503.07
  5. Step 5: Solve for x
    x = 2,052,567,503.07/52,308.11
  6. Step 6: Final answer
    x = 39,239.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.