Home / 54,180.18-74,774.85-30,312.90

Finding the Fourth Proportional to 54,180.18, 74,774.85 and 30,312.90

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Solution

The fourth proportional to 54,180.18, 74,774.85 and 30,312.90 is: 41,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,180.18 : 74,774.85 = 30,312.90 : x
  2. Step 2: Convert to fraction form
    54,180.18/74,774.85 = 30,312.90/x
  3. Step 3: Cross multiply
    54,180.18x = 74,774.85 × 30,312.90
  4. Step 4: Simplify right side
    54,180.18x = 2,266,642,550.57
  5. Step 5: Solve for x
    x = 2,266,642,550.57/54,180.18
  6. Step 6: Final answer
    x = 41,835.27

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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.