Home / 39,002.15-58,512.02-12,349.76

Finding the Fourth Proportional to 39,002.15, 58,512.02 and 12,349.76

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Solution

The fourth proportional to 39,002.15, 58,512.02 and 12,349.76 is: 18,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.15 : 58,512.02 = 12,349.76 : x
  2. Step 2: Convert to fraction form
    39,002.15/58,512.02 = 12,349.76/x
  3. Step 3: Cross multiply
    39,002.15x = 58,512.02 × 12,349.76
  4. Step 4: Simplify right side
    39,002.15x = 722,609,049.81
  5. Step 5: Solve for x
    x = 722,609,049.81/39,002.15
  6. Step 6: Final answer
    x = 18,527.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.