Home / 53,080.68-79,612.05-15,127.29

Finding the Fourth Proportional to 53,080.68, 79,612.05 and 15,127.29

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Solution

The fourth proportional to 53,080.68, 79,612.05 and 15,127.29 is: 22,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,080.68 : 79,612.05 = 15,127.29 : x
  2. Step 2: Convert to fraction form
    53,080.68/79,612.05 = 15,127.29/x
  3. Step 3: Cross multiply
    53,080.68x = 79,612.05 × 15,127.29
  4. Step 4: Simplify right side
    53,080.68x = 1,204,314,567.84
  5. Step 5: Solve for x
    x = 1,204,314,567.84/53,080.68
  6. Step 6: Final answer
    x = 22,688.38

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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.