Home / 40,008.16-55,218-23,250.88

Finding the Fourth Proportional to 40,008.16, 55,218 and 23,250.88

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Solution

The fourth proportional to 40,008.16, 55,218 and 23,250.88 is: 32,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,008.16 : 55,218 = 23,250.88 : x
  2. Step 2: Convert to fraction form
    40,008.16/55,218 = 23,250.88/x
  3. Step 3: Cross multiply
    40,008.16x = 55,218 × 23,250.88
  4. Step 4: Simplify right side
    40,008.16x = 1,283,867,091.84
  5. Step 5: Solve for x
    x = 1,283,867,091.84/40,008.16
  6. Step 6: Final answer
    x = 32,090.13

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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.