Home / 55,387.08-76,432.98-30,237

Finding the Fourth Proportional to 55,387.08, 76,432.98 and 30,237

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Solution

The fourth proportional to 55,387.08, 76,432.98 and 30,237 is: 41,726.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,387.08 : 76,432.98 = 30,237 : x
  2. Step 2: Convert to fraction form
    55,387.08/76,432.98 = 30,237/x
  3. Step 3: Cross multiply
    55,387.08x = 76,432.98 × 30,237
  4. Step 4: Simplify right side
    55,387.08x = 2,311,104,016.26
  5. Step 5: Solve for x
    x = 2,311,104,016.26/55,387.08
  6. Step 6: Final answer
    x = 41,726.41

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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.