Home / 42,016.89-63,034.70-18,328.29

Finding the Fourth Proportional to 42,016.89, 63,034.70 and 18,328.29

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Solution

The fourth proportional to 42,016.89, 63,034.70 and 18,328.29 is: 27,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,016.89 : 63,034.70 = 18,328.29 : x
  2. Step 2: Convert to fraction form
    42,016.89/63,034.70 = 18,328.29/x
  3. Step 3: Cross multiply
    42,016.89x = 63,034.70 × 18,328.29
  4. Step 4: Simplify right side
    42,016.89x = 1,155,318,261.66
  5. Step 5: Solve for x
    x = 1,155,318,261.66/42,016.89
  6. Step 6: Final answer
    x = 27,496.52

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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.