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Finding the Fourth Proportional to 34,312.60, 51,468.90 and 33,000.40

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Solution

The fourth proportional to 34,312.60, 51,468.90 and 33,000.40 is: 49,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,312.60 : 51,468.90 = 33,000.40 : x
  2. Step 2: Convert to fraction form
    34,312.60/51,468.90 = 33,000.40/x
  3. Step 3: Cross multiply
    34,312.60x = 51,468.90 × 33,000.40
  4. Step 4: Simplify right side
    34,312.60x = 1,698,494,287.56
  5. Step 5: Solve for x
    x = 1,698,494,287.56/34,312.60
  6. Step 6: Final answer
    x = 49,500.60

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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.