Home / 45,115.92-62,194.77-31,645.35

Finding the Fourth Proportional to 45,115.92, 62,194.77 and 31,645.35

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Solution

The fourth proportional to 45,115.92, 62,194.77 and 31,645.35 is: 43,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,115.92 : 62,194.77 = 31,645.35 : x
  2. Step 2: Convert to fraction form
    45,115.92/62,194.77 = 31,645.35/x
  3. Step 3: Cross multiply
    45,115.92x = 62,194.77 × 31,645.35
  4. Step 4: Simplify right side
    45,115.92x = 1,968,175,264.82
  5. Step 5: Solve for x
    x = 1,968,175,264.82/45,115.92
  6. Step 6: Final answer
    x = 43,624.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.