Home / 40,138.56-60,203.52-13,841.28

Finding the Fourth Proportional to 40,138.56, 60,203.52 and 13,841.28

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Solution

The fourth proportional to 40,138.56, 60,203.52 and 13,841.28 is: 20,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,138.56 : 60,203.52 = 13,841.28 : x
  2. Step 2: Convert to fraction form
    40,138.56/60,203.52 = 13,841.28/x
  3. Step 3: Cross multiply
    40,138.56x = 60,203.52 × 13,841.28
  4. Step 4: Simplify right side
    40,138.56x = 833,293,777.31
  5. Step 5: Solve for x
    x = 833,293,777.31/40,138.56
  6. Step 6: Final answer
    x = 20,760.43

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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.