Home / 40,425.96-60,631.72-14,138.24

Finding the Fourth Proportional to 40,425.96, 60,631.72 and 14,138.24

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Solution

The fourth proportional to 40,425.96, 60,631.72 and 14,138.24 is: 21,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,425.96 : 60,631.72 = 14,138.24 : x
  2. Step 2: Convert to fraction form
    40,425.96/60,631.72 = 14,138.24/x
  3. Step 3: Cross multiply
    40,425.96x = 60,631.72 × 14,138.24
  4. Step 4: Simplify right side
    40,425.96x = 857,225,808.97
  5. Step 5: Solve for x
    x = 857,225,808.97/40,425.96
  6. Step 6: Final answer
    x = 21,204.83

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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.