Home / 67,675.16-93,401.70-38,989.28

Finding the Fourth Proportional to 67,675.16, 93,401.70 and 38,989.28

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Solution

The fourth proportional to 67,675.16, 93,401.70 and 38,989.28 is: 53,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.16 : 93,401.70 = 38,989.28 : x
  2. Step 2: Convert to fraction form
    67,675.16/93,401.70 = 38,989.28/x
  3. Step 3: Cross multiply
    67,675.16x = 93,401.70 × 38,989.28
  4. Step 4: Simplify right side
    67,675.16x = 3,641,665,033.78
  5. Step 5: Solve for x
    x = 3,641,665,033.78/67,675.16
  6. Step 6: Final answer
    x = 53,810.96

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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.