Home / 31,402.17-47,039.62-15,559.48

Finding the Fourth Proportional to 31,402.17, 47,039.62 and 15,559.48

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Solution

The fourth proportional to 31,402.17, 47,039.62 and 15,559.48 is: 23,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.17 : 47,039.62 = 15,559.48 : x
  2. Step 2: Convert to fraction form
    31,402.17/47,039.62 = 15,559.48/x
  3. Step 3: Cross multiply
    31,402.17x = 47,039.62 × 15,559.48
  4. Step 4: Simplify right side
    31,402.17x = 731,912,026.60
  5. Step 5: Solve for x
    x = 731,912,026.60/31,402.17
  6. Step 6: Final answer
    x = 23,307.69

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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.