Home / 54,653.51-81,980.27-15,213.70

Finding the Fourth Proportional to 54,653.51, 81,980.27 and 15,213.70

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Solution

The fourth proportional to 54,653.51, 81,980.27 and 15,213.70 is: 22,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,653.51 : 81,980.27 = 15,213.70 : x
  2. Step 2: Convert to fraction form
    54,653.51/81,980.27 = 15,213.70/x
  3. Step 3: Cross multiply
    54,653.51x = 81,980.27 × 15,213.70
  4. Step 4: Simplify right side
    54,653.51x = 1,247,223,233.70
  5. Step 5: Solve for x
    x = 1,247,223,233.70/54,653.51
  6. Step 6: Final answer
    x = 22,820.55

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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.