Home / 52,304.12-72,180.12-28,430.79

Finding the Fourth Proportional to 52,304.12, 72,180.12 and 28,430.79

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Solution

The fourth proportional to 52,304.12, 72,180.12 and 28,430.79 is: 39,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.12 : 72,180.12 = 28,430.79 : x
  2. Step 2: Convert to fraction form
    52,304.12/72,180.12 = 28,430.79/x
  3. Step 3: Cross multiply
    52,304.12x = 72,180.12 × 28,430.79
  4. Step 4: Simplify right side
    52,304.12x = 2,052,137,833.89
  5. Step 5: Solve for x
    x = 2,052,137,833.89/52,304.12
  6. Step 6: Final answer
    x = 39,234.73

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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.