Home / 53,137.66-79,728.04-19,867.26

Finding the Fourth Proportional to 53,137.66, 79,728.04 and 19,867.26

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Solution

The fourth proportional to 53,137.66, 79,728.04 and 19,867.26 is: 29,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,137.66 : 79,728.04 = 19,867.26 : x
  2. Step 2: Convert to fraction form
    53,137.66/79,728.04 = 19,867.26/x
  3. Step 3: Cross multiply
    53,137.66x = 79,728.04 × 19,867.26
  4. Step 4: Simplify right side
    53,137.66x = 1,583,977,699.97
  5. Step 5: Solve for x
    x = 1,583,977,699.97/53,137.66
  6. Step 6: Final answer
    x = 29,808.95

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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.