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Finding the Fourth Proportional to 51,000.60, 76,500.90 and 17,758.20

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Solution

The fourth proportional to 51,000.60, 76,500.90 and 17,758.20 is: 26,637.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,000.60 : 76,500.90 = 17,758.20 : x
  2. Step 2: Convert to fraction form
    51,000.60/76,500.90 = 17,758.20/x
  3. Step 3: Cross multiply
    51,000.60x = 76,500.90 × 17,758.20
  4. Step 4: Simplify right side
    51,000.60x = 1,358,518,282.38
  5. Step 5: Solve for x
    x = 1,358,518,282.38/51,000.60
  6. Step 6: Final answer
    x = 26,637.30

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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.