Home / 55,555.12-76,665.52-30,060.92

Finding the Fourth Proportional to 55,555.12, 76,665.52 and 30,060.92

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Solution

The fourth proportional to 55,555.12, 76,665.52 and 30,060.92 is: 41,483.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,555.12 : 76,665.52 = 30,060.92 : x
  2. Step 2: Convert to fraction form
    55,555.12/76,665.52 = 30,060.92/x
  3. Step 3: Cross multiply
    55,555.12x = 76,665.52 × 30,060.92
  4. Step 4: Simplify right side
    55,555.12x = 2,304,636,292.72
  5. Step 5: Solve for x
    x = 2,304,636,292.72/55,555.12
  6. Step 6: Final answer
    x = 41,483.78

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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.