Home / 49,543.18-74,318.31-19,961.17

Finding the Fourth Proportional to 49,543.18, 74,318.31 and 19,961.17

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Solution

The fourth proportional to 49,543.18, 74,318.31 and 19,961.17 is: 29,943.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,543.18 : 74,318.31 = 19,961.17 : x
  2. Step 2: Convert to fraction form
    49,543.18/74,318.31 = 19,961.17/x
  3. Step 3: Cross multiply
    49,543.18x = 74,318.31 × 19,961.17
  4. Step 4: Simplify right side
    49,543.18x = 1,483,480,420.02
  5. Step 5: Solve for x
    x = 1,483,480,420.02/49,543.18
  6. Step 6: Final answer
    x = 29,943.18

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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.