Home / 78,548.70-117,805.23-22,387.77

Finding the Fourth Proportional to 78,548.70, 117,805.23 and 22,387.77

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Solution

The fourth proportional to 78,548.70, 117,805.23 and 22,387.77 is: 33,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,548.70 : 117,805.23 = 22,387.77 : x
  2. Step 2: Convert to fraction form
    78,548.70/117,805.23 = 22,387.77/x
  3. Step 3: Cross multiply
    78,548.70x = 117,805.23 × 22,387.77
  4. Step 4: Simplify right side
    78,548.70x = 2,637,396,394.04
  5. Step 5: Solve for x
    x = 2,637,396,394.04/78,548.70
  6. Step 6: Final answer
    x = 33,576.58

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1.5x scale

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.