Home / 53,161.20-79,727.40-26,881.20

Finding the Fourth Proportional to 53,161.20, 79,727.40 and 26,881.20

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Solution

The fourth proportional to 53,161.20, 79,727.40 and 26,881.20 is: 40,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,161.20 : 79,727.40 = 26,881.20 : x
  2. Step 2: Convert to fraction form
    53,161.20/79,727.40 = 26,881.20/x
  3. Step 3: Cross multiply
    53,161.20x = 79,727.40 × 26,881.20
  4. Step 4: Simplify right side
    53,161.20x = 2,143,168,184.88
  5. Step 5: Solve for x
    x = 2,143,168,184.88/53,161.20
  6. Step 6: Final answer
    x = 40,314.52

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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.