Home / 52,304.10-72,179.84-28,430.88

Finding the Fourth Proportional to 52,304.10, 72,179.84 and 28,430.88

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Solution

The fourth proportional to 52,304.10, 72,179.84 and 28,430.88 is: 39,234.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,304.10 : 72,179.84 = 28,430.88 : x
  2. Step 2: Convert to fraction form
    52,304.10/72,179.84 = 28,430.88/x
  3. Step 3: Cross multiply
    52,304.10x = 72,179.84 × 28,430.88
  4. Step 4: Simplify right side
    52,304.10x = 2,052,136,369.46
  5. Step 5: Solve for x
    x = 2,052,136,369.46/52,304.10
  6. Step 6: Final answer
    x = 39,234.71

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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.