Home / 42,170.73-58,186.01-25,180.47

Finding the Fourth Proportional to 42,170.73, 58,186.01 and 25,180.47

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Solution

The fourth proportional to 42,170.73, 58,186.01 and 25,180.47 is: 34,743.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.73 : 58,186.01 = 25,180.47 : x
  2. Step 2: Convert to fraction form
    42,170.73/58,186.01 = 25,180.47/x
  3. Step 3: Cross multiply
    42,170.73x = 58,186.01 × 25,180.47
  4. Step 4: Simplify right side
    42,170.73x = 1,465,151,079.22
  5. Step 5: Solve for x
    x = 1,465,151,079.22/42,170.73
  6. Step 6: Final answer
    x = 34,743.32

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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.