Home / 67,857.76-93,631.56-40,982.20

Finding the Fourth Proportional to 67,857.76, 93,631.56 and 40,982.20

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Solution

The fourth proportional to 67,857.76, 93,631.56 and 40,982.20 is: 56,548.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,857.76 : 93,631.56 = 40,982.20 : x
  2. Step 2: Convert to fraction form
    67,857.76/93,631.56 = 40,982.20/x
  3. Step 3: Cross multiply
    67,857.76x = 93,631.56 × 40,982.20
  4. Step 4: Simplify right side
    67,857.76x = 3,837,227,318.23
  5. Step 5: Solve for x
    x = 3,837,227,318.23/67,857.76
  6. Step 6: Final answer
    x = 56,548.10

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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.