Home / 45,348.30-68,022.63-13,758.66

Finding the Fourth Proportional to 45,348.30, 68,022.63 and 13,758.66

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Solution

The fourth proportional to 45,348.30, 68,022.63 and 13,758.66 is: 20,638.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,348.30 : 68,022.63 = 13,758.66 : x
  2. Step 2: Convert to fraction form
    45,348.30/68,022.63 = 13,758.66/x
  3. Step 3: Cross multiply
    45,348.30x = 68,022.63 × 13,758.66
  4. Step 4: Simplify right side
    45,348.30x = 935,900,238.48
  5. Step 5: Solve for x
    x = 935,900,238.48/45,348.30
  6. Step 6: Final answer
    x = 20,638.04

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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.