Home / 44,068.88-66,047.16-20,643.68

Finding the Fourth Proportional to 44,068.88, 66,047.16 and 20,643.68

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Solution

The fourth proportional to 44,068.88, 66,047.16 and 20,643.68 is: 30,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,068.88 : 66,047.16 = 20,643.68 : x
  2. Step 2: Convert to fraction form
    44,068.88/66,047.16 = 20,643.68/x
  3. Step 3: Cross multiply
    44,068.88x = 66,047.16 × 20,643.68
  4. Step 4: Simplify right side
    44,068.88x = 1,363,456,435.95
  5. Step 5: Solve for x
    x = 1,363,456,435.95/44,068.88
  6. Step 6: Final answer
    x = 30,939.21

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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.