Home / 31,373.50-47,050.28-10,308.69

Finding the Fourth Proportional to 31,373.50, 47,050.28 and 10,308.69

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Solution

The fourth proportional to 31,373.50, 47,050.28 and 10,308.69 is: 15,459.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,373.50 : 47,050.28 = 10,308.69 : x
  2. Step 2: Convert to fraction form
    31,373.50/47,050.28 = 10,308.69/x
  3. Step 3: Cross multiply
    31,373.50x = 47,050.28 × 10,308.69
  4. Step 4: Simplify right side
    31,373.50x = 485,026,750.93
  5. Step 5: Solve for x
    x = 485,026,750.93/31,373.50
  6. Step 6: Final answer
    x = 15,459.76

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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.