Home / 42,135.66-58,147.67-23,272.79

Finding the Fourth Proportional to 42,135.66, 58,147.67 and 23,272.79

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Solution

The fourth proportional to 42,135.66, 58,147.67 and 23,272.79 is: 32,116.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.66 : 58,147.67 = 23,272.79 : x
  2. Step 2: Convert to fraction form
    42,135.66/58,147.67 = 23,272.79/x
  3. Step 3: Cross multiply
    42,135.66x = 58,147.67 × 23,272.79
  4. Step 4: Simplify right side
    42,135.66x = 1,353,258,105.80
  5. Step 5: Solve for x
    x = 1,353,258,105.80/42,135.66
  6. Step 6: Final answer
    x = 32,116.69

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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.