Home / 37,314.36-51,492.24-21,387.78

Finding the Fourth Proportional to 37,314.36, 51,492.24 and 21,387.78

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Solution

The fourth proportional to 37,314.36, 51,492.24 and 21,387.78 is: 29,514.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,314.36 : 51,492.24 = 21,387.78 : x
  2. Step 2: Convert to fraction form
    37,314.36/51,492.24 = 21,387.78/x
  3. Step 3: Cross multiply
    37,314.36x = 51,492.24 × 21,387.78
  4. Step 4: Simplify right side
    37,314.36x = 1,101,304,700.83
  5. Step 5: Solve for x
    x = 1,101,304,700.83/37,314.36
  6. Step 6: Final answer
    x = 29,514.23

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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.