Home / 48,642-72,868.59-31,951.39

Finding the Fourth Proportional to 48,642, 72,868.59 and 31,951.39

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Solution

The fourth proportional to 48,642, 72,868.59 and 31,951.39 is: 47,865.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,642 : 72,868.59 = 31,951.39 : x
  2. Step 2: Convert to fraction form
    48,642/72,868.59 = 31,951.39/x
  3. Step 3: Cross multiply
    48,642x = 72,868.59 × 31,951.39
  4. Step 4: Simplify right side
    48,642x = 2,328,252,555.67
  5. Step 5: Solve for x
    x = 2,328,252,555.67/48,642
  6. Step 6: Final answer
    x = 47,865.07

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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.