Home / 44,939.28-67,415.94-19,988.04

Finding the Fourth Proportional to 44,939.28, 67,415.94 and 19,988.04

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Solution

The fourth proportional to 44,939.28, 67,415.94 and 19,988.04 is: 29,985.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,939.28 : 67,415.94 = 19,988.04 : x
  2. Step 2: Convert to fraction form
    44,939.28/67,415.94 = 19,988.04/x
  3. Step 3: Cross multiply
    44,939.28x = 67,415.94 × 19,988.04
  4. Step 4: Simplify right side
    44,939.28x = 1,347,512,505.36
  5. Step 5: Solve for x
    x = 1,347,512,505.36/44,939.28
  6. Step 6: Final answer
    x = 29,985.18

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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.