Home / 45,816.47-68,724.71-12,535.19

Finding the Fourth Proportional to 45,816.47, 68,724.71 and 12,535.19

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Solution

The fourth proportional to 45,816.47, 68,724.71 and 12,535.19 is: 18,802.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,816.47 : 68,724.71 = 12,535.19 : x
  2. Step 2: Convert to fraction form
    45,816.47/68,724.71 = 12,535.19/x
  3. Step 3: Cross multiply
    45,816.47x = 68,724.71 × 12,535.19
  4. Step 4: Simplify right side
    45,816.47x = 861,476,891.25
  5. Step 5: Solve for x
    x = 861,476,891.25/45,816.47
  6. Step 6: Final answer
    x = 18,802.78

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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.