Home / 52,404.29-72,318.21-28,530.90

Finding the Fourth Proportional to 52,404.29, 72,318.21 and 28,530.90

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Solution

The fourth proportional to 52,404.29, 72,318.21 and 28,530.90 is: 39,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,404.29 : 72,318.21 = 28,530.90 : x
  2. Step 2: Convert to fraction form
    52,404.29/72,318.21 = 28,530.90/x
  3. Step 3: Cross multiply
    52,404.29x = 72,318.21 × 28,530.90
  4. Step 4: Simplify right side
    52,404.29x = 2,063,303,617.69
  5. Step 5: Solve for x
    x = 2,063,303,617.69/52,404.29
  6. Step 6: Final answer
    x = 39,372.80

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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.