Home / 55,599.12-76,725.30-31,725.36

Finding the Fourth Proportional to 55,599.12, 76,725.30 and 31,725.36

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Solution

The fourth proportional to 55,599.12, 76,725.30 and 31,725.36 is: 43,780.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.12 : 76,725.30 = 31,725.36 : x
  2. Step 2: Convert to fraction form
    55,599.12/76,725.30 = 31,725.36/x
  3. Step 3: Cross multiply
    55,599.12x = 76,725.30 × 31,725.36
  4. Step 4: Simplify right side
    55,599.12x = 2,434,137,763.61
  5. Step 5: Solve for x
    x = 2,434,137,763.61/55,599.12
  6. Step 6: Final answer
    x = 43,780.15

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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.