Home / 45,349.10-68,023.80-13,759.42

Finding the Fourth Proportional to 45,349.10, 68,023.80 and 13,759.42

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Solution

The fourth proportional to 45,349.10, 68,023.80 and 13,759.42 is: 20,639.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.10 : 68,023.80 = 13,759.42 : x
  2. Step 2: Convert to fraction form
    45,349.10/68,023.80 = 13,759.42/x
  3. Step 3: Cross multiply
    45,349.10x = 68,023.80 × 13,759.42
  4. Step 4: Simplify right side
    45,349.10x = 935,967,991.68
  5. Step 5: Solve for x
    x = 935,967,991.68/45,349.10
  6. Step 6: Final answer
    x = 20,639.18

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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.