Home / 35,349.62-48,782.45-20,242.71

Finding the Fourth Proportional to 35,349.62, 48,782.45 and 20,242.71

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Solution

The fourth proportional to 35,349.62, 48,782.45 and 20,242.71 is: 27,934.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,349.62 : 48,782.45 = 20,242.71 : x
  2. Step 2: Convert to fraction form
    35,349.62/48,782.45 = 20,242.71/x
  3. Step 3: Cross multiply
    35,349.62x = 48,782.45 × 20,242.71
  4. Step 4: Simplify right side
    35,349.62x = 987,489,039.05
  5. Step 5: Solve for x
    x = 987,489,039.05/35,349.62
  6. Step 6: Final answer
    x = 27,934.93

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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.