Home / 56,685.40-85,029.50-27,106.36

Finding the Fourth Proportional to 56,685.40, 85,029.50 and 27,106.36

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Solution

The fourth proportional to 56,685.40, 85,029.50 and 27,106.36 is: 40,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,685.40 : 85,029.50 = 27,106.36 : x
  2. Step 2: Convert to fraction form
    56,685.40/85,029.50 = 27,106.36/x
  3. Step 3: Cross multiply
    56,685.40x = 85,029.50 × 27,106.36
  4. Step 4: Simplify right side
    56,685.40x = 2,304,840,237.62
  5. Step 5: Solve for x
    x = 2,304,840,237.62/56,685.40
  6. Step 6: Final answer
    x = 40,660.21

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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.