Home / 42,407.38-63,601.35-19,040.50

Finding the Fourth Proportional to 42,407.38, 63,601.35 and 19,040.50

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Solution

The fourth proportional to 42,407.38, 63,601.35 and 19,040.50 is: 28,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,407.38 : 63,601.35 = 19,040.50 : x
  2. Step 2: Convert to fraction form
    42,407.38/63,601.35 = 19,040.50/x
  3. Step 3: Cross multiply
    42,407.38x = 63,601.35 × 19,040.50
  4. Step 4: Simplify right side
    42,407.38x = 1,211,001,504.68
  5. Step 5: Solve for x
    x = 1,211,001,504.68/42,407.38
  6. Step 6: Final answer
    x = 28,556.39

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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.