Home / 49,840.24-74,809.56-21,779.66

Finding the Fourth Proportional to 49,840.24, 74,809.56 and 21,779.66

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Solution

The fourth proportional to 49,840.24, 74,809.56 and 21,779.66 is: 32,690.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,840.24 : 74,809.56 = 21,779.66 : x
  2. Step 2: Convert to fraction form
    49,840.24/74,809.56 = 21,779.66/x
  3. Step 3: Cross multiply
    49,840.24x = 74,809.56 × 21,779.66
  4. Step 4: Simplify right side
    49,840.24x = 1,629,326,781.55
  5. Step 5: Solve for x
    x = 1,629,326,781.55/49,840.24
  6. Step 6: Final answer
    x = 32,690.99

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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.