Home / 45,498.24-68,247.53-13,908.18

Finding the Fourth Proportional to 45,498.24, 68,247.53 and 13,908.18

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Solution

The fourth proportional to 45,498.24, 68,247.53 and 13,908.18 is: 20,862.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.24 : 68,247.53 = 13,908.18 : x
  2. Step 2: Convert to fraction form
    45,498.24/68,247.53 = 13,908.18/x
  3. Step 3: Cross multiply
    45,498.24x = 68,247.53 × 13,908.18
  4. Step 4: Simplify right side
    45,498.24x = 949,198,931.80
  5. Step 5: Solve for x
    x = 949,198,931.80/45,498.24
  6. Step 6: Final answer
    x = 20,862.32

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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.