Home / 45,522.06-68,291.33-13,931.57

Finding the Fourth Proportional to 45,522.06, 68,291.33 and 13,931.57

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Solution

The fourth proportional to 45,522.06, 68,291.33 and 13,931.57 is: 20,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,522.06 : 68,291.33 = 13,931.57 : x
  2. Step 2: Convert to fraction form
    45,522.06/68,291.33 = 13,931.57/x
  3. Step 3: Cross multiply
    45,522.06x = 68,291.33 × 13,931.57
  4. Step 4: Simplify right side
    45,522.06x = 951,405,033.17
  5. Step 5: Solve for x
    x = 951,405,033.17/45,522.06
  6. Step 6: Final answer
    x = 20,899.87

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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.