Home / 38,881.23-58,309.70-12,580.53

Finding the Fourth Proportional to 38,881.23, 58,309.70 and 12,580.53

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Solution

The fourth proportional to 38,881.23, 58,309.70 and 12,580.53 is: 18,866.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,881.23 : 58,309.70 = 12,580.53 : x
  2. Step 2: Convert to fraction form
    38,881.23/58,309.70 = 12,580.53/x
  3. Step 3: Cross multiply
    38,881.23x = 58,309.70 × 12,580.53
  4. Step 4: Simplify right side
    38,881.23x = 733,566,867.24
  5. Step 5: Solve for x
    x = 733,566,867.24/38,881.23
  6. Step 6: Final answer
    x = 18,866.86

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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.