Home / 53,863.15-80,798.78-14,419.39

Finding the Fourth Proportional to 53,863.15, 80,798.78 and 14,419.39

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Solution

The fourth proportional to 53,863.15, 80,798.78 and 14,419.39 is: 21,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,863.15 : 80,798.78 = 14,419.39 : x
  2. Step 2: Convert to fraction form
    53,863.15/80,798.78 = 14,419.39/x
  3. Step 3: Cross multiply
    53,863.15x = 80,798.78 × 14,419.39
  4. Step 4: Simplify right side
    53,863.15x = 1,165,069,120.34
  5. Step 5: Solve for x
    x = 1,165,069,120.34/53,863.15
  6. Step 6: Final answer
    x = 21,630.17

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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.