Home / 38,947.42-58,443-15,575.68

Finding the Fourth Proportional to 38,947.42, 58,443 and 15,575.68

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Solution

The fourth proportional to 38,947.42, 58,443 and 15,575.68 is: 23,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.42 : 58,443 = 15,575.68 : x
  2. Step 2: Convert to fraction form
    38,947.42/58,443 = 15,575.68/x
  3. Step 3: Cross multiply
    38,947.42x = 58,443 × 15,575.68
  4. Step 4: Simplify right side
    38,947.42x = 910,289,466.24
  5. Step 5: Solve for x
    x = 910,289,466.24/38,947.42
  6. Step 6: Final answer
    x = 23,372.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.