Home / 40,013.56-60,057.98-20,306.26

Finding the Fourth Proportional to 40,013.56, 60,057.98 and 20,306.26

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Solution

The fourth proportional to 40,013.56, 60,057.98 and 20,306.26 is: 30,478.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,013.56 : 60,057.98 = 20,306.26 : x
  2. Step 2: Convert to fraction form
    40,013.56/60,057.98 = 20,306.26/x
  3. Step 3: Cross multiply
    40,013.56x = 60,057.98 × 20,306.26
  4. Step 4: Simplify right side
    40,013.56x = 1,219,552,956.95
  5. Step 5: Solve for x
    x = 1,219,552,956.95/40,013.56
  6. Step 6: Final answer
    x = 30,478.49

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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.