Home / 86,725.32-130,072.86-24,381

Finding the Fourth Proportional to 86,725.32, 130,072.86 and 24,381

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Solution

The fourth proportional to 86,725.32, 130,072.86 and 24,381 is: 36,567.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,725.32 : 130,072.86 = 24,381 : x
  2. Step 2: Convert to fraction form
    86,725.32/130,072.86 = 24,381/x
  3. Step 3: Cross multiply
    86,725.32x = 130,072.86 × 24,381
  4. Step 4: Simplify right side
    86,725.32x = 3,171,306,399.66
  5. Step 5: Solve for x
    x = 3,171,306,399.66/86,725.32
  6. Step 6: Final answer
    x = 36,567.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.