Home / 91,579.19-137,367.44-25,019.20

Finding the Fourth Proportional to 91,579.19, 137,367.44 and 25,019.20

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Solution

The fourth proportional to 91,579.19, 137,367.44 and 25,019.20 is: 37,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,579.19 : 137,367.44 = 25,019.20 : x
  2. Step 2: Convert to fraction form
    91,579.19/137,367.44 = 25,019.20/x
  3. Step 3: Cross multiply
    91,579.19x = 137,367.44 × 25,019.20
  4. Step 4: Simplify right side
    91,579.19x = 3,436,822,642.91
  5. Step 5: Solve for x
    x = 3,436,822,642.91/91,579.19
  6. Step 6: Final answer
    x = 37,528.42

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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.