Home / 40,440.24-60,660.36-12,359.16

Finding the Fourth Proportional to 40,440.24, 60,660.36 and 12,359.16

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Solution

The fourth proportional to 40,440.24, 60,660.36 and 12,359.16 is: 18,538.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440.24 : 60,660.36 = 12,359.16 : x
  2. Step 2: Convert to fraction form
    40,440.24/60,660.36 = 12,359.16/x
  3. Step 3: Cross multiply
    40,440.24x = 60,660.36 × 12,359.16
  4. Step 4: Simplify right side
    40,440.24x = 749,711,094.90
  5. Step 5: Solve for x
    x = 749,711,094.90/40,440.24
  6. Step 6: Final answer
    x = 18,538.74

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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.