Home / 53,172.95-79,759.71-13,727.36

Finding the Fourth Proportional to 53,172.95, 79,759.71 and 13,727.36

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Solution

The fourth proportional to 53,172.95, 79,759.71 and 13,727.36 is: 20,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,172.95 : 79,759.71 = 13,727.36 : x
  2. Step 2: Convert to fraction form
    53,172.95/79,759.71 = 13,727.36/x
  3. Step 3: Cross multiply
    53,172.95x = 79,759.71 × 13,727.36
  4. Step 4: Simplify right side
    53,172.95x = 1,094,889,853.87
  5. Step 5: Solve for x
    x = 1,094,889,853.87/53,172.95
  6. Step 6: Final answer
    x = 20,591.11

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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.