Home / 42,135.71-58,145.24-23,272.43

Finding the Fourth Proportional to 42,135.71, 58,145.24 and 23,272.43

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Solution

The fourth proportional to 42,135.71, 58,145.24 and 23,272.43 is: 32,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,135.71 : 58,145.24 = 23,272.43 : x
  2. Step 2: Convert to fraction form
    42,135.71/58,145.24 = 23,272.43/x
  3. Step 3: Cross multiply
    42,135.71x = 58,145.24 × 23,272.43
  4. Step 4: Simplify right side
    42,135.71x = 1,353,180,795.19
  5. Step 5: Solve for x
    x = 1,353,180,795.19/42,135.71
  6. Step 6: Final answer
    x = 32,114.83

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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.