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Finding the Fourth Proportional to 37,000.70, 55,500.92 and 13,308.21

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Solution

The fourth proportional to 37,000.70, 55,500.92 and 13,308.21 is: 19,962.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,000.70 : 55,500.92 = 13,308.21 : x
  2. Step 2: Convert to fraction form
    37,000.70/55,500.92 = 13,308.21/x
  3. Step 3: Cross multiply
    37,000.70x = 55,500.92 × 13,308.21
  4. Step 4: Simplify right side
    37,000.70x = 738,617,621.76
  5. Step 5: Solve for x
    x = 738,617,621.76/37,000.70
  6. Step 6: Final answer
    x = 19,962.26

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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.