Home / 56,639.80-84,882.90-40,204.60

Finding the Fourth Proportional to 56,639.80, 84,882.90 and 40,204.60

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Solution

The fourth proportional to 56,639.80, 84,882.90 and 40,204.60 is: 60,252.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,639.80 : 84,882.90 = 40,204.60 : x
  2. Step 2: Convert to fraction form
    56,639.80/84,882.90 = 40,204.60/x
  3. Step 3: Cross multiply
    56,639.80x = 84,882.90 × 40,204.60
  4. Step 4: Simplify right side
    56,639.80x = 3,412,683,041.34
  5. Step 5: Solve for x
    x = 3,412,683,041.34/56,639.80
  6. Step 6: Final answer
    x = 60,252.39

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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.