Home / 42,218.13-63,285.47-27,216.12

Finding the Fourth Proportional to 42,218.13, 63,285.47 and 27,216.12

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Solution

The fourth proportional to 42,218.13, 63,285.47 and 27,216.12 is: 40,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,218.13 : 63,285.47 = 27,216.12 : x
  2. Step 2: Convert to fraction form
    42,218.13/63,285.47 = 27,216.12/x
  3. Step 3: Cross multiply
    42,218.13x = 63,285.47 × 27,216.12
  4. Step 4: Simplify right side
    42,218.13x = 1,722,384,809.70
  5. Step 5: Solve for x
    x = 1,722,384,809.70/42,218.13
  6. Step 6: Final answer
    x = 40,797.28

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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.