Home / 53,281.45-79,908.30-15,832.72

Finding the Fourth Proportional to 53,281.45, 79,908.30 and 15,832.72

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Solution

The fourth proportional to 53,281.45, 79,908.30 and 15,832.72 is: 23,744.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.45 : 79,908.30 = 15,832.72 : x
  2. Step 2: Convert to fraction form
    53,281.45/79,908.30 = 15,832.72/x
  3. Step 3: Cross multiply
    53,281.45x = 79,908.30 × 15,832.72
  4. Step 4: Simplify right side
    53,281.45x = 1,265,165,739.58
  5. Step 5: Solve for x
    x = 1,265,165,739.58/53,281.45
  6. Step 6: Final answer
    x = 23,744.96

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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.