Home / 67,616.30-93,316.32-39,320

Finding the Fourth Proportional to 67,616.30, 93,316.32 and 39,320

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Solution

The fourth proportional to 67,616.30, 93,316.32 and 39,320 is: 54,264.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.30 : 93,316.32 = 39,320 : x
  2. Step 2: Convert to fraction form
    67,616.30/93,316.32 = 39,320/x
  3. Step 3: Cross multiply
    67,616.30x = 93,316.32 × 39,320
  4. Step 4: Simplify right side
    67,616.30x = 3,669,197,702.40
  5. Step 5: Solve for x
    x = 3,669,197,702.40/67,616.30
  6. Step 6: Final answer
    x = 54,264.99

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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.