Home / 45,434.57-68,151.25-11,700.40

Finding the Fourth Proportional to 45,434.57, 68,151.25 and 11,700.40

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Solution

The fourth proportional to 45,434.57, 68,151.25 and 11,700.40 is: 17,550.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.57 : 68,151.25 = 11,700.40 : x
  2. Step 2: Convert to fraction form
    45,434.57/68,151.25 = 11,700.40/x
  3. Step 3: Cross multiply
    45,434.57x = 68,151.25 × 11,700.40
  4. Step 4: Simplify right side
    45,434.57x = 797,396,827.00
  5. Step 5: Solve for x
    x = 797,396,827.00/45,434.57
  6. Step 6: Final answer
    x = 17,550.44

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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.