Home / 40,487.13-55,870.92-22,089.56

Finding the Fourth Proportional to 40,487.13, 55,870.92 and 22,089.56

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Solution

The fourth proportional to 40,487.13, 55,870.92 and 22,089.56 is: 30,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,487.13 : 55,870.92 = 22,089.56 : x
  2. Step 2: Convert to fraction form
    40,487.13/55,870.92 = 22,089.56/x
  3. Step 3: Cross multiply
    40,487.13x = 55,870.92 × 22,089.56
  4. Step 4: Simplify right side
    40,487.13x = 1,234,163,760.24
  5. Step 5: Solve for x
    x = 1,234,163,760.24/40,487.13
  6. Step 6: Final answer
    x = 30,482.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.