Home / 31,353.02-47,029.02-12,632.60

Finding the Fourth Proportional to 31,353.02, 47,029.02 and 12,632.60

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Solution

The fourth proportional to 31,353.02, 47,029.02 and 12,632.60 is: 18,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.02 : 47,029.02 = 12,632.60 : x
  2. Step 2: Convert to fraction form
    31,353.02/47,029.02 = 12,632.60/x
  3. Step 3: Cross multiply
    31,353.02x = 47,029.02 × 12,632.60
  4. Step 4: Simplify right side
    31,353.02x = 594,098,868.25
  5. Step 5: Solve for x
    x = 594,098,868.25/31,353.02
  6. Step 6: Final answer
    x = 18,948.70

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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.