Home / 45,514.80-68,272.20-29,768.40

Finding the Fourth Proportional to 45,514.80, 68,272.20 and 29,768.40

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Solution

The fourth proportional to 45,514.80, 68,272.20 and 29,768.40 is: 44,652.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,514.80 : 68,272.20 = 29,768.40 : x
  2. Step 2: Convert to fraction form
    45,514.80/68,272.20 = 29,768.40/x
  3. Step 3: Cross multiply
    45,514.80x = 68,272.20 × 29,768.40
  4. Step 4: Simplify right side
    45,514.80x = 2,032,354,158.48
  5. Step 5: Solve for x
    x = 2,032,354,158.48/45,514.80
  6. Step 6: Final answer
    x = 44,652.60

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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.