Home / 45,498.34-68,247.69-13,908.28

Finding the Fourth Proportional to 45,498.34, 68,247.69 and 13,908.28

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Solution

The fourth proportional to 45,498.34, 68,247.69 and 13,908.28 is: 20,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.34 : 68,247.69 = 13,908.28 : x
  2. Step 2: Convert to fraction form
    45,498.34/68,247.69 = 13,908.28/x
  3. Step 3: Cross multiply
    45,498.34x = 68,247.69 × 13,908.28
  4. Step 4: Simplify right side
    45,498.34x = 949,207,981.87
  5. Step 5: Solve for x
    x = 949,207,981.87/45,498.34
  6. Step 6: Final answer
    x = 20,862.48

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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.