Home / 44,293.45-66,440.17-13,128.70

Finding the Fourth Proportional to 44,293.45, 66,440.17 and 13,128.70

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Solution

The fourth proportional to 44,293.45, 66,440.17 and 13,128.70 is: 19,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,293.45 : 66,440.17 = 13,128.70 : x
  2. Step 2: Convert to fraction form
    44,293.45/66,440.17 = 13,128.70/x
  3. Step 3: Cross multiply
    44,293.45x = 66,440.17 × 13,128.70
  4. Step 4: Simplify right side
    44,293.45x = 872,273,059.88
  5. Step 5: Solve for x
    x = 872,273,059.88/44,293.45
  6. Step 6: Final answer
    x = 19,693.05

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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.