Home / 44,404.19-66,639.16-21,030.70

Finding the Fourth Proportional to 44,404.19, 66,639.16 and 21,030.70

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Solution

The fourth proportional to 44,404.19, 66,639.16 and 21,030.70 is: 31,561.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,404.19 : 66,639.16 = 21,030.70 : x
  2. Step 2: Convert to fraction form
    44,404.19/66,639.16 = 21,030.70/x
  3. Step 3: Cross multiply
    44,404.19x = 66,639.16 × 21,030.70
  4. Step 4: Simplify right side
    44,404.19x = 1,401,467,743.86
  5. Step 5: Solve for x
    x = 1,401,467,743.86/44,404.19
  6. Step 6: Final answer
    x = 31,561.61

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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.