Home / 53,019.66-79,539.69-17,491.26

Finding the Fourth Proportional to 53,019.66, 79,539.69 and 17,491.26

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Solution

The fourth proportional to 53,019.66, 79,539.69 and 17,491.26 is: 26,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,019.66 : 79,539.69 = 17,491.26 : x
  2. Step 2: Convert to fraction form
    53,019.66/79,539.69 = 17,491.26/x
  3. Step 3: Cross multiply
    53,019.66x = 79,539.69 × 17,491.26
  4. Step 4: Simplify right side
    53,019.66x = 1,391,249,398.11
  5. Step 5: Solve for x
    x = 1,391,249,398.11/53,019.66
  6. Step 6: Final answer
    x = 26,240.25

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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.