Home / 55,666.73-76,824.95-30,521.09

Finding the Fourth Proportional to 55,666.73, 76,824.95 and 30,521.09

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Solution

The fourth proportional to 55,666.73, 76,824.95 and 30,521.09 is: 42,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,666.73 : 76,824.95 = 30,521.09 : x
  2. Step 2: Convert to fraction form
    55,666.73/76,824.95 = 30,521.09/x
  3. Step 3: Cross multiply
    55,666.73x = 76,824.95 × 30,521.09
  4. Step 4: Simplify right side
    55,666.73x = 2,344,781,481.56
  5. Step 5: Solve for x
    x = 2,344,781,481.56/55,666.73
  6. Step 6: Final answer
    x = 42,121.77

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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.