Home / 55,278.26-76,279.17-30,744.37

Finding the Fourth Proportional to 55,278.26, 76,279.17 and 30,744.37

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Solution

The fourth proportional to 55,278.26, 76,279.17 and 30,744.37 is: 42,424.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,278.26 : 76,279.17 = 30,744.37 : x
  2. Step 2: Convert to fraction form
    55,278.26/76,279.17 = 30,744.37/x
  3. Step 3: Cross multiply
    55,278.26x = 76,279.17 × 30,744.37
  4. Step 4: Simplify right side
    55,278.26x = 2,345,155,025.77
  5. Step 5: Solve for x
    x = 2,345,155,025.77/55,278.26
  6. Step 6: Final answer
    x = 42,424.54

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1.5x scale

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.