Home / 38,165.20-52,668.12-21,171.01

Finding the Fourth Proportional to 38,165.20, 52,668.12 and 21,171.01

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Solution

The fourth proportional to 38,165.20, 52,668.12 and 21,171.01 is: 29,216.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,165.20 : 52,668.12 = 21,171.01 : x
  2. Step 2: Convert to fraction form
    38,165.20/52,668.12 = 21,171.01/x
  3. Step 3: Cross multiply
    38,165.20x = 52,668.12 × 21,171.01
  4. Step 4: Simplify right side
    38,165.20x = 1,115,037,295.20
  5. Step 5: Solve for x
    x = 1,115,037,295.20/38,165.20
  6. Step 6: Final answer
    x = 29,216.07

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1.5x scale

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.