Home / 44,404.39-66,639.45-21,030.88

Finding the Fourth Proportional to 44,404.39, 66,639.45 and 21,030.88

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Solution

The fourth proportional to 44,404.39, 66,639.45 and 21,030.88 is: 31,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,404.39 : 66,639.45 = 21,030.88 : x
  2. Step 2: Convert to fraction form
    44,404.39/66,639.45 = 21,030.88/x
  3. Step 3: Cross multiply
    44,404.39x = 66,639.45 × 21,030.88
  4. Step 4: Simplify right side
    44,404.39x = 1,401,486,276.22
  5. Step 5: Solve for x
    x = 1,401,486,276.22/44,404.39
  6. Step 6: Final answer
    x = 31,561.89

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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.