Home / 53,310.99-79,966.58-13,868.04

Finding the Fourth Proportional to 53,310.99, 79,966.58 and 13,868.04

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Solution

The fourth proportional to 53,310.99, 79,966.58 and 13,868.04 is: 20,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310.99 : 79,966.58 = 13,868.04 : x
  2. Step 2: Convert to fraction form
    53,310.99/79,966.58 = 13,868.04/x
  3. Step 3: Cross multiply
    53,310.99x = 79,966.58 × 13,868.04
  4. Step 4: Simplify right side
    53,310.99x = 1,108,979,464.90
  5. Step 5: Solve for x
    x = 1,108,979,464.90/53,310.99
  6. Step 6: Final answer
    x = 20,802.08

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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.