Home / 53,141.61-79,697.28-18,080.49

Finding the Fourth Proportional to 53,141.61, 79,697.28 and 18,080.49

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Solution

The fourth proportional to 53,141.61, 79,697.28 and 18,080.49 is: 27,115.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.61 : 79,697.28 = 18,080.49 : x
  2. Step 2: Convert to fraction form
    53,141.61/79,697.28 = 18,080.49/x
  3. Step 3: Cross multiply
    53,141.61x = 79,697.28 × 18,080.49
  4. Step 4: Simplify right side
    53,141.61x = 1,440,965,874.07
  5. Step 5: Solve for x
    x = 1,440,965,874.07/53,141.61
  6. Step 6: Final answer
    x = 27,115.59

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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.