Home / 51,000.90-76,501.35-48,279.30

Finding the Fourth Proportional to 51,000.90, 76,501.35 and 48,279.30

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Solution

The fourth proportional to 51,000.90, 76,501.35 and 48,279.30 is: 72,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.90 : 76,501.35 = 48,279.30 : x
  2. Step 2: Convert to fraction form
    51,000.90/76,501.35 = 48,279.30/x
  3. Step 3: Cross multiply
    51,000.90x = 76,501.35 × 48,279.30
  4. Step 4: Simplify right side
    51,000.90x = 3,693,431,627.06
  5. Step 5: Solve for x
    x = 3,693,431,627.06/51,000.90
  6. Step 6: Final answer
    x = 72,418.95

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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.