Home / 54,656.32-81,971.52-15,214.72

Finding the Fourth Proportional to 54,656.32, 81,971.52 and 15,214.72

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Solution

The fourth proportional to 54,656.32, 81,971.52 and 15,214.72 is: 22,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.32 : 81,971.52 = 15,214.72 : x
  2. Step 2: Convert to fraction form
    54,656.32/81,971.52 = 15,214.72/x
  3. Step 3: Cross multiply
    54,656.32x = 81,971.52 × 15,214.72
  4. Step 4: Simplify right side
    54,656.32x = 1,247,173,724.77
  5. Step 5: Solve for x
    x = 1,247,173,724.77/54,656.32
  6. Step 6: Final answer
    x = 22,818.47

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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.