Home / 49,772.90-74,670.42-18,182.90

Finding the Fourth Proportional to 49,772.90, 74,670.42 and 18,182.90

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Solution

The fourth proportional to 49,772.90, 74,670.42 and 18,182.90 is: 27,278.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,772.90 : 74,670.42 = 18,182.90 : x
  2. Step 2: Convert to fraction form
    49,772.90/74,670.42 = 18,182.90/x
  3. Step 3: Cross multiply
    49,772.90x = 74,670.42 × 18,182.90
  4. Step 4: Simplify right side
    49,772.90x = 1,357,724,779.82
  5. Step 5: Solve for x
    x = 1,357,724,779.82/49,772.90
  6. Step 6: Final answer
    x = 27,278.39

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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.