Home / 38,374.86-57,559.48-12,087.12

Finding the Fourth Proportional to 38,374.86, 57,559.48 and 12,087.12

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Solution

The fourth proportional to 38,374.86, 57,559.48 and 12,087.12 is: 18,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,374.86 : 57,559.48 = 12,087.12 : x
  2. Step 2: Convert to fraction form
    38,374.86/57,559.48 = 12,087.12/x
  3. Step 3: Cross multiply
    38,374.86x = 57,559.48 × 12,087.12
  4. Step 4: Simplify right side
    38,374.86x = 695,728,341.90
  5. Step 5: Solve for x
    x = 695,728,341.90/38,374.86
  6. Step 6: Final answer
    x = 18,129.79

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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.