Home / 39,456.86-59,184.02-13,161.82

Finding the Fourth Proportional to 39,456.86, 59,184.02 and 13,161.82

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Solution

The fourth proportional to 39,456.86, 59,184.02 and 13,161.82 is: 19,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,456.86 : 59,184.02 = 13,161.82 : x
  2. Step 2: Convert to fraction form
    39,456.86/59,184.02 = 13,161.82/x
  3. Step 3: Cross multiply
    39,456.86x = 59,184.02 × 13,161.82
  4. Step 4: Simplify right side
    39,456.86x = 778,969,418.12
  5. Step 5: Solve for x
    x = 778,969,418.12/39,456.86
  6. Step 6: Final answer
    x = 19,742.31

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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.