Home / 62,920.96-94,439.84-31,778.08

Finding the Fourth Proportional to 62,920.96, 94,439.84 and 31,778.08

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Solution

The fourth proportional to 62,920.96, 94,439.84 and 31,778.08 is: 47,696.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.96 : 94,439.84 = 31,778.08 : x
  2. Step 2: Convert to fraction form
    62,920.96/94,439.84 = 31,778.08/x
  3. Step 3: Cross multiply
    62,920.96x = 94,439.84 × 31,778.08
  4. Step 4: Simplify right side
    62,920.96x = 3,001,116,790.71
  5. Step 5: Solve for x
    x = 3,001,116,790.71/62,920.96
  6. Step 6: Final answer
    x = 47,696.61

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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.