Home / 37,543.68-51,808.23-21,408.62

Finding the Fourth Proportional to 37,543.68, 51,808.23 and 21,408.62

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Solution

The fourth proportional to 37,543.68, 51,808.23 and 21,408.62 is: 29,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,543.68 : 51,808.23 = 21,408.62 : x
  2. Step 2: Convert to fraction form
    37,543.68/51,808.23 = 21,408.62/x
  3. Step 3: Cross multiply
    37,543.68x = 51,808.23 × 21,408.62
  4. Step 4: Simplify right side
    37,543.68x = 1,109,142,449.90
  5. Step 5: Solve for x
    x = 1,109,142,449.90/37,543.68
  6. Step 6: Final answer
    x = 29,542.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.