Home / 38,317.80-57,476.70-18,634.80

Finding the Fourth Proportional to 38,317.80, 57,476.70 and 18,634.80

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Solution

The fourth proportional to 38,317.80, 57,476.70 and 18,634.80 is: 27,952.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,317.80 : 57,476.70 = 18,634.80 : x
  2. Step 2: Convert to fraction form
    38,317.80/57,476.70 = 18,634.80/x
  3. Step 3: Cross multiply
    38,317.80x = 57,476.70 × 18,634.80
  4. Step 4: Simplify right side
    38,317.80x = 1,071,066,809.16
  5. Step 5: Solve for x
    x = 1,071,066,809.16/38,317.80
  6. Step 6: Final answer
    x = 27,952.20

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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.