Home / 67,776.16-93,521.76-39,460

Finding the Fourth Proportional to 67,776.16, 93,521.76 and 39,460

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Solution

The fourth proportional to 67,776.16, 93,521.76 and 39,460 is: 54,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,776.16 : 93,521.76 = 39,460 : x
  2. Step 2: Convert to fraction form
    67,776.16/93,521.76 = 39,460/x
  3. Step 3: Cross multiply
    67,776.16x = 93,521.76 × 39,460
  4. Step 4: Simplify right side
    67,776.16x = 3,690,368,649.60
  5. Step 5: Solve for x
    x = 3,690,368,649.60/67,776.16
  6. Step 6: Final answer
    x = 54,449.36

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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.