Home / 53,728.68-74,145.38-29,855.28

Finding the Fourth Proportional to 53,728.68, 74,145.38 and 29,855.28

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Solution

The fourth proportional to 53,728.68, 74,145.38 and 29,855.28 is: 41,200.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,728.68 : 74,145.38 = 29,855.28 : x
  2. Step 2: Convert to fraction form
    53,728.68/74,145.38 = 29,855.28/x
  3. Step 3: Cross multiply
    53,728.68x = 74,145.38 × 29,855.28
  4. Step 4: Simplify right side
    53,728.68x = 2,213,631,080.61
  5. Step 5: Solve for x
    x = 2,213,631,080.61/53,728.68
  6. Step 6: Final answer
    x = 41,200.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.