Home / 53,281.20-79,914.24-18,215.76

Finding the Fourth Proportional to 53,281.20, 79,914.24 and 18,215.76

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Solution

The fourth proportional to 53,281.20, 79,914.24 and 18,215.76 is: 27,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,281.20 : 79,914.24 = 18,215.76 : x
  2. Step 2: Convert to fraction form
    53,281.20/79,914.24 = 18,215.76/x
  3. Step 3: Cross multiply
    53,281.20x = 79,914.24 × 18,215.76
  4. Step 4: Simplify right side
    53,281.20x = 1,455,698,616.42
  5. Step 5: Solve for x
    x = 1,455,698,616.42/53,281.20
  6. Step 6: Final answer
    x = 27,321.06

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1.5x scale

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.