Home / 31,808.74-47,718.60-10,748.95

Finding the Fourth Proportional to 31,808.74, 47,718.60 and 10,748.95

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Solution

The fourth proportional to 31,808.74, 47,718.60 and 10,748.95 is: 16,125.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,808.74 : 47,718.60 = 10,748.95 : x
  2. Step 2: Convert to fraction form
    31,808.74/47,718.60 = 10,748.95/x
  3. Step 3: Cross multiply
    31,808.74x = 47,718.60 × 10,748.95
  4. Step 4: Simplify right side
    31,808.74x = 512,924,845.47
  5. Step 5: Solve for x
    x = 512,924,845.47/31,808.74
  6. Step 6: Final answer
    x = 16,125.28

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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.