Home / 40,162.40-55,424.02-22,013.56

Finding the Fourth Proportional to 40,162.40, 55,424.02 and 22,013.56

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Solution

The fourth proportional to 40,162.40, 55,424.02 and 22,013.56 is: 30,378.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.40 : 55,424.02 = 22,013.56 : x
  2. Step 2: Convert to fraction form
    40,162.40/55,424.02 = 22,013.56/x
  3. Step 3: Cross multiply
    40,162.40x = 55,424.02 × 22,013.56
  4. Step 4: Simplify right side
    40,162.40x = 1,220,079,989.71
  5. Step 5: Solve for x
    x = 1,220,079,989.71/40,162.40
  6. Step 6: Final answer
    x = 30,378.66

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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.