Home / 40,162.68-55,424.42-22,013.40

Finding the Fourth Proportional to 40,162.68, 55,424.42 and 22,013.40

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Solution

The fourth proportional to 40,162.68, 55,424.42 and 22,013.40 is: 30,378.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,162.68 : 55,424.42 = 22,013.40 : x
  2. Step 2: Convert to fraction form
    40,162.68/55,424.42 = 22,013.40/x
  3. Step 3: Cross multiply
    40,162.68x = 55,424.42 × 22,013.40
  4. Step 4: Simplify right side
    40,162.68x = 1,220,079,927.23
  5. Step 5: Solve for x
    x = 1,220,079,927.23/40,162.68
  6. Step 6: Final answer
    x = 30,378.45

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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.