Home / 45,423.64-68,091.68-14,251.60

Finding the Fourth Proportional to 45,423.64, 68,091.68 and 14,251.60

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Solution

The fourth proportional to 45,423.64, 68,091.68 and 14,251.60 is: 21,363.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,423.64 : 68,091.68 = 14,251.60 : x
  2. Step 2: Convert to fraction form
    45,423.64/68,091.68 = 14,251.60/x
  3. Step 3: Cross multiply
    45,423.64x = 68,091.68 × 14,251.60
  4. Step 4: Simplify right side
    45,423.64x = 970,415,386.69
  5. Step 5: Solve for x
    x = 970,415,386.69/45,423.64
  6. Step 6: Final answer
    x = 21,363.66

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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.