Home / 42,273.14-63,449.07-21,512.18

Finding the Fourth Proportional to 42,273.14, 63,449.07 and 21,512.18

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Solution

The fourth proportional to 42,273.14, 63,449.07 and 21,512.18 is: 32,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,273.14 : 63,449.07 = 21,512.18 : x
  2. Step 2: Convert to fraction form
    42,273.14/63,449.07 = 21,512.18/x
  3. Step 3: Cross multiply
    42,273.14x = 63,449.07 × 21,512.18
  4. Step 4: Simplify right side
    42,273.14x = 1,364,927,814.67
  5. Step 5: Solve for x
    x = 1,364,927,814.67/42,273.14
  6. Step 6: Final answer
    x = 32,288.30

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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.