Home / 52,293.11-72,165.05-28,419.79

Finding the Fourth Proportional to 52,293.11, 72,165.05 and 28,419.79

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Solution

The fourth proportional to 52,293.11, 72,165.05 and 28,419.79 is: 39,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,293.11 : 72,165.05 = 28,419.79 : x
  2. Step 2: Convert to fraction form
    52,293.11/72,165.05 = 28,419.79/x
  3. Step 3: Cross multiply
    52,293.11x = 72,165.05 × 28,419.79
  4. Step 4: Simplify right side
    52,293.11x = 2,050,915,456.98
  5. Step 5: Solve for x
    x = 2,050,915,456.98/52,293.11
  6. Step 6: Final answer
    x = 39,219.61

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1.5x scale

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.