Home / 38,482.39-53,105.18-21,486.92

Finding the Fourth Proportional to 38,482.39, 53,105.18 and 21,486.92

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Solution

The fourth proportional to 38,482.39, 53,105.18 and 21,486.92 is: 29,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.39 : 53,105.18 = 21,486.92 : x
  2. Step 2: Convert to fraction form
    38,482.39/53,105.18 = 21,486.92/x
  3. Step 3: Cross multiply
    38,482.39x = 53,105.18 × 21,486.92
  4. Step 4: Simplify right side
    38,482.39x = 1,141,066,542.44
  5. Step 5: Solve for x
    x = 1,141,066,542.44/38,482.39
  6. Step 6: Final answer
    x = 29,651.66

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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.