Home / 44,000.20-66,000.30-20,307.70

Finding the Fourth Proportional to 44,000.20, 66,000.30 and 20,307.70

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Solution

The fourth proportional to 44,000.20, 66,000.30 and 20,307.70 is: 30,461.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,000.20 : 66,000.30 = 20,307.70 : x
  2. Step 2: Convert to fraction form
    44,000.20/66,000.30 = 20,307.70/x
  3. Step 3: Cross multiply
    44,000.20x = 66,000.30 × 20,307.70
  4. Step 4: Simplify right side
    44,000.20x = 1,340,314,292.31
  5. Step 5: Solve for x
    x = 1,340,314,292.31/44,000.20
  6. Step 6: Final answer
    x = 30,461.55

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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.