Home / 38,834.66-53,590.55-21,839.64

Finding the Fourth Proportional to 38,834.66, 53,590.55 and 21,839.64

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Solution

The fourth proportional to 38,834.66, 53,590.55 and 21,839.64 is: 30,137.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,834.66 : 53,590.55 = 21,839.64 : x
  2. Step 2: Convert to fraction form
    38,834.66/53,590.55 = 21,839.64/x
  3. Step 3: Cross multiply
    38,834.66x = 53,590.55 × 21,839.64
  4. Step 4: Simplify right side
    38,834.66x = 1,170,398,210.20
  5. Step 5: Solve for x
    x = 1,170,398,210.20/38,834.66
  6. Step 6: Final answer
    x = 30,137.98

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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.