Home / 42,151.78-58,170.64-23,290.12

Finding the Fourth Proportional to 42,151.78, 58,170.64 and 23,290.12

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Solution

The fourth proportional to 42,151.78, 58,170.64 and 23,290.12 is: 32,141.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.78 : 58,170.64 = 23,290.12 : x
  2. Step 2: Convert to fraction form
    42,151.78/58,170.64 = 23,290.12/x
  3. Step 3: Cross multiply
    42,151.78x = 58,170.64 × 23,290.12
  4. Step 4: Simplify right side
    42,151.78x = 1,354,801,186.08
  5. Step 5: Solve for x
    x = 1,354,801,186.08/42,151.78
  6. Step 6: Final answer
    x = 32,141.02

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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.