Home / 45,813.30-68,729.76-14,222.70

Finding the Fourth Proportional to 45,813.30, 68,729.76 and 14,222.70

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Solution

The fourth proportional to 45,813.30, 68,729.76 and 14,222.70 is: 21,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.30 : 68,729.76 = 14,222.70 : x
  2. Step 2: Convert to fraction form
    45,813.30/68,729.76 = 14,222.70/x
  3. Step 3: Cross multiply
    45,813.30x = 68,729.76 × 14,222.70
  4. Step 4: Simplify right side
    45,813.30x = 977,522,757.55
  5. Step 5: Solve for x
    x = 977,522,757.55/45,813.30
  6. Step 6: Final answer
    x = 21,337.10

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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.