Home / 40,034.65-55,247.21-22,129.26

Finding the Fourth Proportional to 40,034.65, 55,247.21 and 22,129.26

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Solution

The fourth proportional to 40,034.65, 55,247.21 and 22,129.26 is: 30,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034.65 : 55,247.21 = 22,129.26 : x
  2. Step 2: Convert to fraction form
    40,034.65/55,247.21 = 22,129.26/x
  3. Step 3: Cross multiply
    40,034.65x = 55,247.21 × 22,129.26
  4. Step 4: Simplify right side
    40,034.65x = 1,222,579,598.13
  5. Step 5: Solve for x
    x = 1,222,579,598.13/40,034.65
  6. Step 6: Final answer
    x = 30,538.04

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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.