Home / 67,540.61-93,203.40-38,869.50

Finding the Fourth Proportional to 67,540.61, 93,203.40 and 38,869.50

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Solution

The fourth proportional to 67,540.61, 93,203.40 and 38,869.50 is: 53,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,540.61 : 93,203.40 = 38,869.50 : x
  2. Step 2: Convert to fraction form
    67,540.61/93,203.40 = 38,869.50/x
  3. Step 3: Cross multiply
    67,540.61x = 93,203.40 × 38,869.50
  4. Step 4: Simplify right side
    67,540.61x = 3,622,769,556.30
  5. Step 5: Solve for x
    x = 3,622,769,556.30/67,540.61
  6. Step 6: Final answer
    x = 53,638.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.