Home / 53,171.40-79,821.90-26,862.60

Finding the Fourth Proportional to 53,171.40, 79,821.90 and 26,862.60

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Solution

The fourth proportional to 53,171.40, 79,821.90 and 26,862.60 is: 40,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,171.40 : 79,821.90 = 26,862.60 : x
  2. Step 2: Convert to fraction form
    53,171.40/79,821.90 = 26,862.60/x
  3. Step 3: Cross multiply
    53,171.40x = 79,821.90 × 26,862.60
  4. Step 4: Simplify right side
    53,171.40x = 2,144,223,770.94
  5. Step 5: Solve for x
    x = 2,144,223,770.94/53,171.40
  6. Step 6: Final answer
    x = 40,326.64

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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.