Home / 49,642.11-74,462.40-18,051.80

Finding the Fourth Proportional to 49,642.11, 74,462.40 and 18,051.80

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Solution

The fourth proportional to 49,642.11, 74,462.40 and 18,051.80 is: 27,077.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,642.11 : 74,462.40 = 18,051.80 : x
  2. Step 2: Convert to fraction form
    49,642.11/74,462.40 = 18,051.80/x
  3. Step 3: Cross multiply
    49,642.11x = 74,462.40 × 18,051.80
  4. Step 4: Simplify right side
    49,642.11x = 1,344,179,980.01
  5. Step 5: Solve for x
    x = 1,344,179,980.01/49,642.11
  6. Step 6: Final answer
    x = 27,077.41

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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.