Home / 31,930.88-47,938.70-27,280.76

Finding the Fourth Proportional to 31,930.88, 47,938.70 and 27,280.76

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Solution

The fourth proportional to 31,930.88, 47,938.70 and 27,280.76 is: 40,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,930.88 : 47,938.70 = 27,280.76 : x
  2. Step 2: Convert to fraction form
    31,930.88/47,938.70 = 27,280.76/x
  3. Step 3: Cross multiply
    31,930.88x = 47,938.70 × 27,280.76
  4. Step 4: Simplify right side
    31,930.88x = 1,307,803,997.92
  5. Step 5: Solve for x
    x = 1,307,803,997.92/31,930.88
  6. Step 6: Final answer
    x = 40,957.35

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1.5x scale

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.