Home / 52,465.41-78,671.88-31,139.91

Finding the Fourth Proportional to 52,465.41, 78,671.88 and 31,139.91

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Solution

The fourth proportional to 52,465.41, 78,671.88 and 31,139.91 is: 46,694.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,465.41 : 78,671.88 = 31,139.91 : x
  2. Step 2: Convert to fraction form
    52,465.41/78,671.88 = 31,139.91/x
  3. Step 3: Cross multiply
    52,465.41x = 78,671.88 × 31,139.91
  4. Step 4: Simplify right side
    52,465.41x = 2,449,835,262.73
  5. Step 5: Solve for x
    x = 2,449,835,262.73/52,465.41
  6. Step 6: Final answer
    x = 46,694.29

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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.