Home / 34,878.67-48,132.33-18,963.12

Finding the Fourth Proportional to 34,878.67, 48,132.33 and 18,963.12

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Solution

The fourth proportional to 34,878.67, 48,132.33 and 18,963.12 is: 26,168.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.67 : 48,132.33 = 18,963.12 : x
  2. Step 2: Convert to fraction form
    34,878.67/48,132.33 = 18,963.12/x
  3. Step 3: Cross multiply
    34,878.67x = 48,132.33 × 18,963.12
  4. Step 4: Simplify right side
    34,878.67x = 912,739,149.67
  5. Step 5: Solve for x
    x = 912,739,149.67/34,878.67
  6. Step 6: Final answer
    x = 26,168.98

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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.