Home / 55,750.60-83,625.19-13,631.07

Finding the Fourth Proportional to 55,750.60, 83,625.19 and 13,631.07

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Solution

The fourth proportional to 55,750.60, 83,625.19 and 13,631.07 is: 20,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,750.60 : 83,625.19 = 13,631.07 : x
  2. Step 2: Convert to fraction form
    55,750.60/83,625.19 = 13,631.07/x
  3. Step 3: Cross multiply
    55,750.60x = 83,625.19 × 13,631.07
  4. Step 4: Simplify right side
    55,750.60x = 1,139,900,818.65
  5. Step 5: Solve for x
    x = 1,139,900,818.65/55,750.60
  6. Step 6: Final answer
    x = 20,446.43

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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.