Home / 34,878.47-48,134.25-18,962.57

Finding the Fourth Proportional to 34,878.47, 48,134.25 and 18,962.57

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Solution

The fourth proportional to 34,878.47, 48,134.25 and 18,962.57 is: 26,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.47 : 48,134.25 = 18,962.57 : x
  2. Step 2: Convert to fraction form
    34,878.47/48,134.25 = 18,962.57/x
  3. Step 3: Cross multiply
    34,878.47x = 48,134.25 × 18,962.57
  4. Step 4: Simplify right side
    34,878.47x = 912,749,205.36
  5. Step 5: Solve for x
    x = 912,749,205.36/34,878.47
  6. Step 6: Final answer
    x = 26,169.42

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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.