Home / 67,931.22-93,740.07-39,252.18

Finding the Fourth Proportional to 67,931.22, 93,740.07 and 39,252.18

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Solution

The fourth proportional to 67,931.22, 93,740.07 and 39,252.18 is: 54,165.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,931.22 : 93,740.07 = 39,252.18 : x
  2. Step 2: Convert to fraction form
    67,931.22/93,740.07 = 39,252.18/x
  3. Step 3: Cross multiply
    67,931.22x = 93,740.07 × 39,252.18
  4. Step 4: Simplify right side
    67,931.22x = 3,679,502,100.85
  5. Step 5: Solve for x
    x = 3,679,502,100.85/67,931.22
  6. Step 6: Final answer
    x = 54,165.11

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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.