Home / 45,655.75-68,389.30-26,877.92

Finding the Fourth Proportional to 45,655.75, 68,389.30 and 26,877.92

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Solution

The fourth proportional to 45,655.75, 68,389.30 and 26,877.92 is: 40,261.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,655.75 : 68,389.30 = 26,877.92 : x
  2. Step 2: Convert to fraction form
    45,655.75/68,389.30 = 26,877.92/x
  3. Step 3: Cross multiply
    45,655.75x = 68,389.30 × 26,877.92
  4. Step 4: Simplify right side
    45,655.75x = 1,838,162,134.26
  5. Step 5: Solve for x
    x = 1,838,162,134.26/45,655.75
  6. Step 6: Final answer
    x = 40,261.35

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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.