Home / 42,301.85-58,375.28-23,181.39

Finding the Fourth Proportional to 42,301.85, 58,375.28 and 23,181.39

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Solution

The fourth proportional to 42,301.85, 58,375.28 and 23,181.39 is: 31,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301.85 : 58,375.28 = 23,181.39 : x
  2. Step 2: Convert to fraction form
    42,301.85/58,375.28 = 23,181.39/x
  3. Step 3: Cross multiply
    42,301.85x = 58,375.28 × 23,181.39
  4. Step 4: Simplify right side
    42,301.85x = 1,353,220,189.99
  5. Step 5: Solve for x
    x = 1,353,220,189.99/42,301.85
  6. Step 6: Final answer
    x = 31,989.63

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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.