Home / 34,878.20-48,132.02-18,962.71

Finding the Fourth Proportional to 34,878.20, 48,132.02 and 18,962.71

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Solution

The fourth proportional to 34,878.20, 48,132.02 and 18,962.71 is: 26,168.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,878.20 : 48,132.02 = 18,962.71 : x
  2. Step 2: Convert to fraction form
    34,878.20/48,132.02 = 18,962.71/x
  3. Step 3: Cross multiply
    34,878.20x = 48,132.02 × 18,962.71
  4. Step 4: Simplify right side
    34,878.20x = 912,713,464.05
  5. Step 5: Solve for x
    x = 912,713,464.05/34,878.20
  6. Step 6: Final answer
    x = 26,168.60

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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.