Home / 42,734.25-63,938.70-25,804.95

Finding the Fourth Proportional to 42,734.25, 63,938.70 and 25,804.95

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Solution

The fourth proportional to 42,734.25, 63,938.70 and 25,804.95 is: 38,609.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,734.25 : 63,938.70 = 25,804.95 : x
  2. Step 2: Convert to fraction form
    42,734.25/63,938.70 = 25,804.95/x
  3. Step 3: Cross multiply
    42,734.25x = 63,938.70 × 25,804.95
  4. Step 4: Simplify right side
    42,734.25x = 1,649,934,716.79
  5. Step 5: Solve for x
    x = 1,649,934,716.79/42,734.25
  6. Step 6: Final answer
    x = 38,609.19

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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.