Home / 38,761.95-58,148.39-12,460.54

Finding the Fourth Proportional to 38,761.95, 58,148.39 and 12,460.54

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Solution

The fourth proportional to 38,761.95, 58,148.39 and 12,460.54 is: 18,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,761.95 : 58,148.39 = 12,460.54 : x
  2. Step 2: Convert to fraction form
    38,761.95/58,148.39 = 12,460.54/x
  3. Step 3: Cross multiply
    38,761.95x = 58,148.39 × 12,460.54
  4. Step 4: Simplify right side
    38,761.95x = 724,560,339.53
  5. Step 5: Solve for x
    x = 724,560,339.53/38,761.95
  6. Step 6: Final answer
    x = 18,692.57

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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.