Home / 47,834.40-66,019.68-29,936.64

Finding the Fourth Proportional to 47,834.40, 66,019.68 and 29,936.64

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Solution

The fourth proportional to 47,834.40, 66,019.68 and 29,936.64 is: 41,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,834.40 : 66,019.68 = 29,936.64 : x
  2. Step 2: Convert to fraction form
    47,834.40/66,019.68 = 29,936.64/x
  3. Step 3: Cross multiply
    47,834.40x = 66,019.68 × 29,936.64
  4. Step 4: Simplify right side
    47,834.40x = 1,976,407,393.08
  5. Step 5: Solve for x
    x = 1,976,407,393.08/47,834.40
  6. Step 6: Final answer
    x = 41,317.70

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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.