Home / 55,761.40-76,950.48-30,267.88

Finding the Fourth Proportional to 55,761.40, 76,950.48 and 30,267.88

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Solution

The fourth proportional to 55,761.40, 76,950.48 and 30,267.88 is: 41,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,761.40 : 76,950.48 = 30,267.88 : x
  2. Step 2: Convert to fraction form
    55,761.40/76,950.48 = 30,267.88/x
  3. Step 3: Cross multiply
    55,761.40x = 76,950.48 × 30,267.88
  4. Step 4: Simplify right side
    55,761.40x = 2,329,127,894.58
  5. Step 5: Solve for x
    x = 2,329,127,894.58/55,761.40
  6. Step 6: Final answer
    x = 41,769.54

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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.