Home / 53,080.31-79,632.77-18,019.97

Finding the Fourth Proportional to 53,080.31, 79,632.77 and 18,019.97

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Solution

The fourth proportional to 53,080.31, 79,632.77 and 18,019.97 is: 27,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,080.31 : 79,632.77 = 18,019.97 : x
  2. Step 2: Convert to fraction form
    53,080.31/79,632.77 = 18,019.97/x
  3. Step 3: Cross multiply
    53,080.31x = 79,632.77 × 18,019.97
  4. Step 4: Simplify right side
    53,080.31x = 1,434,980,038.14
  5. Step 5: Solve for x
    x = 1,434,980,038.14/53,080.31
  6. Step 6: Final answer
    x = 27,034.13

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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.