Home / 37,908.88-52,315.68-21,145.12

Finding the Fourth Proportional to 37,908.88, 52,315.68 and 21,145.12

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Solution

The fourth proportional to 37,908.88, 52,315.68 and 21,145.12 is: 29,181.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,908.88 : 52,315.68 = 21,145.12 : x
  2. Step 2: Convert to fraction form
    37,908.88/52,315.68 = 21,145.12/x
  3. Step 3: Cross multiply
    37,908.88x = 52,315.68 × 21,145.12
  4. Step 4: Simplify right side
    37,908.88x = 1,106,221,331.48
  5. Step 5: Solve for x
    x = 1,106,221,331.48/37,908.88
  6. Step 6: Final answer
    x = 29,181.06

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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.