Home / 45,500.64-68,248.47-13,910.69

Finding the Fourth Proportional to 45,500.64, 68,248.47 and 13,910.69

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Solution

The fourth proportional to 45,500.64, 68,248.47 and 13,910.69 is: 20,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,500.64 : 68,248.47 = 13,910.69 : x
  2. Step 2: Convert to fraction form
    45,500.64/68,248.47 = 13,910.69/x
  3. Step 3: Cross multiply
    45,500.64x = 68,248.47 × 13,910.69
  4. Step 4: Simplify right side
    45,500.64x = 949,382,967.90
  5. Step 5: Solve for x
    x = 949,382,967.90/45,500.64
  6. Step 6: Final answer
    x = 20,865.27

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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.