Home / 55,717.44-83,578.14-18,278.40

Finding the Fourth Proportional to 55,717.44, 83,578.14 and 18,278.40

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Solution

The fourth proportional to 55,717.44, 83,578.14 and 18,278.40 is: 27,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,717.44 : 83,578.14 = 18,278.40 : x
  2. Step 2: Convert to fraction form
    55,717.44/83,578.14 = 18,278.40/x
  3. Step 3: Cross multiply
    55,717.44x = 83,578.14 × 18,278.40
  4. Step 4: Simplify right side
    55,717.44x = 1,527,674,674.18
  5. Step 5: Solve for x
    x = 1,527,674,674.18/55,717.44
  6. Step 6: Final answer
    x = 27,418.25

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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.