Home / 41,084.60-56,681.55-30,355.31

Finding the Fourth Proportional to 41,084.60, 56,681.55 and 30,355.31

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Solution

The fourth proportional to 41,084.60, 56,681.55 and 30,355.31 is: 41,879.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,084.60 : 56,681.55 = 30,355.31 : x
  2. Step 2: Convert to fraction form
    41,084.60/56,681.55 = 30,355.31/x
  3. Step 3: Cross multiply
    41,084.60x = 56,681.55 × 30,355.31
  4. Step 4: Simplify right side
    41,084.60x = 1,720,586,021.53
  5. Step 5: Solve for x
    x = 1,720,586,021.53/41,084.60
  6. Step 6: Final answer
    x = 41,879.10

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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.