Home / 45,155.05-62,344.41-28,185.14

Finding the Fourth Proportional to 45,155.05, 62,344.41 and 28,185.14

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Solution

The fourth proportional to 45,155.05, 62,344.41 and 28,185.14 is: 38,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.05 : 62,344.41 = 28,185.14 : x
  2. Step 2: Convert to fraction form
    45,155.05/62,344.41 = 28,185.14/x
  3. Step 3: Cross multiply
    45,155.05x = 62,344.41 × 28,185.14
  4. Step 4: Simplify right side
    45,155.05x = 1,757,185,924.07
  5. Step 5: Solve for x
    x = 1,757,185,924.07/45,155.05
  6. Step 6: Final answer
    x = 38,914.49

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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.