Home / 40,057.28-55,278.60-22,152.68

Finding the Fourth Proportional to 40,057.28, 55,278.60 and 22,152.68

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Solution

The fourth proportional to 40,057.28, 55,278.60 and 22,152.68 is: 30,570.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.28 : 55,278.60 = 22,152.68 : x
  2. Step 2: Convert to fraction form
    40,057.28/55,278.60 = 22,152.68/x
  3. Step 3: Cross multiply
    40,057.28x = 55,278.60 × 22,152.68
  4. Step 4: Simplify right side
    40,057.28x = 1,224,569,136.65
  5. Step 5: Solve for x
    x = 1,224,569,136.65/40,057.28
  6. Step 6: Final answer
    x = 30,570.45

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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.