Home / 40,079.56-60,127.54-13,780.88

Finding the Fourth Proportional to 40,079.56, 60,127.54 and 13,780.88

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Solution

The fourth proportional to 40,079.56, 60,127.54 and 13,780.88 is: 20,674.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,079.56 : 60,127.54 = 13,780.88 : x
  2. Step 2: Convert to fraction form
    40,079.56/60,127.54 = 13,780.88/x
  3. Step 3: Cross multiply
    40,079.56x = 60,127.54 × 13,780.88
  4. Step 4: Simplify right side
    40,079.56x = 828,610,529.30
  5. Step 5: Solve for x
    x = 828,610,529.30/40,079.56
  6. Step 6: Final answer
    x = 20,674.14

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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.