Home / 31,931.97-47,883.55-9,748.05

Finding the Fourth Proportional to 31,931.97, 47,883.55 and 9,748.05

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Solution

The fourth proportional to 31,931.97, 47,883.55 and 9,748.05 is: 14,617.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,931.97 : 47,883.55 = 9,748.05 : x
  2. Step 2: Convert to fraction form
    31,931.97/47,883.55 = 9,748.05/x
  3. Step 3: Cross multiply
    31,931.97x = 47,883.55 × 9,748.05
  4. Step 4: Simplify right side
    31,931.97x = 466,771,239.58
  5. Step 5: Solve for x
    x = 466,771,239.58/31,931.97
  6. Step 6: Final answer
    x = 14,617.68

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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.