Home / 40,747.56-61,134.65-19,690.02

Finding the Fourth Proportional to 40,747.56, 61,134.65 and 19,690.02

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Solution

The fourth proportional to 40,747.56, 61,134.65 and 19,690.02 is: 29,541.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,747.56 : 61,134.65 = 19,690.02 : x
  2. Step 2: Convert to fraction form
    40,747.56/61,134.65 = 19,690.02/x
  3. Step 3: Cross multiply
    40,747.56x = 61,134.65 × 19,690.02
  4. Step 4: Simplify right side
    40,747.56x = 1,203,742,456.58
  5. Step 5: Solve for x
    x = 1,203,742,456.58/40,747.56
  6. Step 6: Final answer
    x = 29,541.46

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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.