Home / 67,000.96-92,454.78-38,706.04

Finding the Fourth Proportional to 67,000.96, 92,454.78 and 38,706.04

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Solution

The fourth proportional to 67,000.96, 92,454.78 and 38,706.04 is: 53,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,000.96 : 92,454.78 = 38,706.04 : x
  2. Step 2: Convert to fraction form
    67,000.96/92,454.78 = 38,706.04/x
  3. Step 3: Cross multiply
    67,000.96x = 92,454.78 × 38,706.04
  4. Step 4: Simplify right side
    67,000.96x = 3,578,558,412.87
  5. Step 5: Solve for x
    x = 3,578,558,412.87/67,000.96
  6. Step 6: Final answer
    x = 53,410.55

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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.