Home / 43,774.20-65,618.10-21,569.40

Finding the Fourth Proportional to 43,774.20, 65,618.10 and 21,569.40

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Solution

The fourth proportional to 43,774.20, 65,618.10 and 21,569.40 is: 32,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,774.20 : 65,618.10 = 21,569.40 : x
  2. Step 2: Convert to fraction form
    43,774.20/65,618.10 = 21,569.40/x
  3. Step 3: Cross multiply
    43,774.20x = 65,618.10 × 21,569.40
  4. Step 4: Simplify right side
    43,774.20x = 1,415,343,046.14
  5. Step 5: Solve for x
    x = 1,415,343,046.14/43,774.20
  6. Step 6: Final answer
    x = 32,332.81

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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.