Home / 40,520.18-60,760.82-19,155.11

Finding the Fourth Proportional to 40,520.18, 60,760.82 and 19,155.11

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Solution

The fourth proportional to 40,520.18, 60,760.82 and 19,155.11 is: 28,723.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,520.18 : 60,760.82 = 19,155.11 : x
  2. Step 2: Convert to fraction form
    40,520.18/60,760.82 = 19,155.11/x
  3. Step 3: Cross multiply
    40,520.18x = 60,760.82 × 19,155.11
  4. Step 4: Simplify right side
    40,520.18x = 1,163,879,934.87
  5. Step 5: Solve for x
    x = 1,163,879,934.87/40,520.18
  6. Step 6: Final answer
    x = 28,723.46

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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.