Home / 42,330.57-58,418.03-25,331.58

Finding the Fourth Proportional to 42,330.57, 58,418.03 and 25,331.58

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Solution

The fourth proportional to 42,330.57, 58,418.03 and 25,331.58 is: 34,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.57 : 58,418.03 = 25,331.58 : x
  2. Step 2: Convert to fraction form
    42,330.57/58,418.03 = 25,331.58/x
  3. Step 3: Cross multiply
    42,330.57x = 58,418.03 × 25,331.58
  4. Step 4: Simplify right side
    42,330.57x = 1,479,821,000.39
  5. Step 5: Solve for x
    x = 1,479,821,000.39/42,330.57
  6. Step 6: Final answer
    x = 34,958.68

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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.