Home / 42,663.18-63,863.54-27,840.18

Finding the Fourth Proportional to 42,663.18, 63,863.54 and 27,840.18

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Solution

The fourth proportional to 42,663.18, 63,863.54 and 27,840.18 is: 41,674.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,663.18 : 63,863.54 = 27,840.18 : x
  2. Step 2: Convert to fraction form
    42,663.18/63,863.54 = 27,840.18/x
  3. Step 3: Cross multiply
    42,663.18x = 63,863.54 × 27,840.18
  4. Step 4: Simplify right side
    42,663.18x = 1,777,972,449.04
  5. Step 5: Solve for x
    x = 1,777,972,449.04/42,663.18
  6. Step 6: Final answer
    x = 41,674.63

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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.