Home / 44,430.68-66,613.20-21,029.72

Finding the Fourth Proportional to 44,430.68, 66,613.20 and 21,029.72

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Solution

The fourth proportional to 44,430.68, 66,613.20 and 21,029.72 is: 31,529.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,430.68 : 66,613.20 = 21,029.72 : x
  2. Step 2: Convert to fraction form
    44,430.68/66,613.20 = 21,029.72/x
  3. Step 3: Cross multiply
    44,430.68x = 66,613.20 × 21,029.72
  4. Step 4: Simplify right side
    44,430.68x = 1,400,856,944.30
  5. Step 5: Solve for x
    x = 1,400,856,944.30/44,430.68
  6. Step 6: Final answer
    x = 31,529.05

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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.