Home / 42,148.47-58,163.18-23,028.91

Finding the Fourth Proportional to 42,148.47, 58,163.18 and 23,028.91

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Solution

The fourth proportional to 42,148.47, 58,163.18 and 23,028.91 is: 31,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148.47 : 58,163.18 = 23,028.91 : x
  2. Step 2: Convert to fraction form
    42,148.47/58,163.18 = 23,028.91/x
  3. Step 3: Cross multiply
    42,148.47x = 58,163.18 × 23,028.91
  4. Step 4: Simplify right side
    42,148.47x = 1,339,434,595.09
  5. Step 5: Solve for x
    x = 1,339,434,595.09/42,148.47
  6. Step 6: Final answer
    x = 31,778.96

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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.