Home / 38,732.96-58,107-12,435.68

Finding the Fourth Proportional to 38,732.96, 58,107 and 12,435.68

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Solution

The fourth proportional to 38,732.96, 58,107 and 12,435.68 is: 18,655.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,732.96 : 58,107 = 12,435.68 : x
  2. Step 2: Convert to fraction form
    38,732.96/58,107 = 12,435.68/x
  3. Step 3: Cross multiply
    38,732.96x = 58,107 × 12,435.68
  4. Step 4: Simplify right side
    38,732.96x = 722,600,057.76
  5. Step 5: Solve for x
    x = 722,600,057.76/38,732.96
  6. Step 6: Final answer
    x = 18,655.95

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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.