Home / 54,037.64-81,085-38,344.08

Finding the Fourth Proportional to 54,037.64, 81,085 and 38,344.08

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Solution

The fourth proportional to 54,037.64, 81,085 and 38,344.08 is: 57,536.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,037.64 : 81,085 = 38,344.08 : x
  2. Step 2: Convert to fraction form
    54,037.64/81,085 = 38,344.08/x
  3. Step 3: Cross multiply
    54,037.64x = 81,085 × 38,344.08
  4. Step 4: Simplify right side
    54,037.64x = 3,109,129,726.80
  5. Step 5: Solve for x
    x = 3,109,129,726.80/54,037.64
  6. Step 6: Final answer
    x = 57,536.37

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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.