Home / 39,825.13-59,774.60-20,117.53

Finding the Fourth Proportional to 39,825.13, 59,774.60 and 20,117.53

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Solution

The fourth proportional to 39,825.13, 59,774.60 and 20,117.53 is: 30,194.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,825.13 : 59,774.60 = 20,117.53 : x
  2. Step 2: Convert to fraction form
    39,825.13/59,774.60 = 20,117.53/x
  3. Step 3: Cross multiply
    39,825.13x = 59,774.60 × 20,117.53
  4. Step 4: Simplify right side
    39,825.13x = 1,202,517,308.74
  5. Step 5: Solve for x
    x = 1,202,517,308.74/39,825.13
  6. Step 6: Final answer
    x = 30,194.94

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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.