Home / 53,147.31-79,734.74-15,705.87

Finding the Fourth Proportional to 53,147.31, 79,734.74 and 15,705.87

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Solution

The fourth proportional to 53,147.31, 79,734.74 and 15,705.87 is: 23,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,147.31 : 79,734.74 = 15,705.87 : x
  2. Step 2: Convert to fraction form
    53,147.31/79,734.74 = 15,705.87/x
  3. Step 3: Cross multiply
    53,147.31x = 79,734.74 × 15,705.87
  4. Step 4: Simplify right side
    53,147.31x = 1,252,303,382.39
  5. Step 5: Solve for x
    x = 1,252,303,382.39/53,147.31
  6. Step 6: Final answer
    x = 23,562.87

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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.