Home / 53,213.13-79,802.69-18,157.95

Finding the Fourth Proportional to 53,213.13, 79,802.69 and 18,157.95

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Solution

The fourth proportional to 53,213.13, 79,802.69 and 18,157.95 is: 27,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.13 : 79,802.69 = 18,157.95 : x
  2. Step 2: Convert to fraction form
    53,213.13/79,802.69 = 18,157.95/x
  3. Step 3: Cross multiply
    53,213.13x = 79,802.69 × 18,157.95
  4. Step 4: Simplify right side
    53,213.13x = 1,449,053,164.10
  5. Step 5: Solve for x
    x = 1,449,053,164.10/53,213.13
  6. Step 6: Final answer
    x = 27,231.12

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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.