Home / 40,080.56-60,120.30-19,240.88

Finding the Fourth Proportional to 40,080.56, 60,120.30 and 19,240.88

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Solution

The fourth proportional to 40,080.56, 60,120.30 and 19,240.88 is: 28,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,080.56 : 60,120.30 = 19,240.88 : x
  2. Step 2: Convert to fraction form
    40,080.56/60,120.30 = 19,240.88/x
  3. Step 3: Cross multiply
    40,080.56x = 60,120.30 × 19,240.88
  4. Step 4: Simplify right side
    40,080.56x = 1,156,767,477.86
  5. Step 5: Solve for x
    x = 1,156,767,477.86/40,080.56
  6. Step 6: Final answer
    x = 28,861.06

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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.