Home / 42,885.56-64,325.10-11,723.24

Finding the Fourth Proportional to 42,885.56, 64,325.10 and 11,723.24

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Solution

The fourth proportional to 42,885.56, 64,325.10 and 11,723.24 is: 17,583.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,885.56 : 64,325.10 = 11,723.24 : x
  2. Step 2: Convert to fraction form
    42,885.56/64,325.10 = 11,723.24/x
  3. Step 3: Cross multiply
    42,885.56x = 64,325.10 × 11,723.24
  4. Step 4: Simplify right side
    42,885.56x = 754,098,585.32
  5. Step 5: Solve for x
    x = 754,098,585.32/42,885.56
  6. Step 6: Final answer
    x = 17,583.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.