Home / 44,280.60-66,438.70-17,987.40

Finding the Fourth Proportional to 44,280.60, 66,438.70 and 17,987.40

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Solution

The fourth proportional to 44,280.60, 66,438.70 and 17,987.40 is: 26,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,280.60 : 66,438.70 = 17,987.40 : x
  2. Step 2: Convert to fraction form
    44,280.60/66,438.70 = 17,987.40/x
  3. Step 3: Cross multiply
    44,280.60x = 66,438.70 × 17,987.40
  4. Step 4: Simplify right side
    44,280.60x = 1,195,059,472.38
  5. Step 5: Solve for x
    x = 1,195,059,472.38/44,280.60
  6. Step 6: Final answer
    x = 26,988.33

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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.