Home / 51,488.16-71,023.68-30,263.28

Finding the Fourth Proportional to 51,488.16, 71,023.68 and 30,263.28

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Solution

The fourth proportional to 51,488.16, 71,023.68 and 30,263.28 is: 41,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,488.16 : 71,023.68 = 30,263.28 : x
  2. Step 2: Convert to fraction form
    51,488.16/71,023.68 = 30,263.28/x
  3. Step 3: Cross multiply
    51,488.16x = 71,023.68 × 30,263.28
  4. Step 4: Simplify right side
    51,488.16x = 2,149,409,514.47
  5. Step 5: Solve for x
    x = 2,149,409,514.47/51,488.16
  6. Step 6: Final answer
    x = 41,745.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.