Home / 53,193.86-79,763.61-17,642.36

Finding the Fourth Proportional to 53,193.86, 79,763.61 and 17,642.36

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Solution

The fourth proportional to 53,193.86, 79,763.61 and 17,642.36 is: 26,454.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,193.86 : 79,763.61 = 17,642.36 : x
  2. Step 2: Convert to fraction form
    53,193.86/79,763.61 = 17,642.36/x
  3. Step 3: Cross multiply
    53,193.86x = 79,763.61 × 17,642.36
  4. Step 4: Simplify right side
    53,193.86x = 1,407,218,040.18
  5. Step 5: Solve for x
    x = 1,407,218,040.18/53,193.86
  6. Step 6: Final answer
    x = 26,454.52

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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.