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Finding the Fourth Proportional to 44,649.96, 61,615.92 and 28,734.40

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Solution

The fourth proportional to 44,649.96, 61,615.92 and 28,734.40 is: 39,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,649.96 : 61,615.92 = 28,734.40 : x
  2. Step 2: Convert to fraction form
    44,649.96/61,615.92 = 28,734.40/x
  3. Step 3: Cross multiply
    44,649.96x = 61,615.92 × 28,734.40
  4. Step 4: Simplify right side
    44,649.96x = 1,770,496,491.65
  5. Step 5: Solve for x
    x = 1,770,496,491.65/44,649.96
  6. Step 6: Final answer
    x = 39,652.81

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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.