Home / 75,521.56-113,279.70-19,362.24

Finding the Fourth Proportional to 75,521.56, 113,279.70 and 19,362.24

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Solution

The fourth proportional to 75,521.56, 113,279.70 and 19,362.24 is: 29,042.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,521.56 : 113,279.70 = 19,362.24 : x
  2. Step 2: Convert to fraction form
    75,521.56/113,279.70 = 19,362.24/x
  3. Step 3: Cross multiply
    75,521.56x = 113,279.70 × 19,362.24
  4. Step 4: Simplify right side
    75,521.56x = 2,193,348,172.13
  5. Step 5: Solve for x
    x = 2,193,348,172.13/75,521.56
  6. Step 6: Final answer
    x = 29,042.68

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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.