Home / 38,226.11-52,749.02-21,228.72

Finding the Fourth Proportional to 38,226.11, 52,749.02 and 21,228.72

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Solution

The fourth proportional to 38,226.11, 52,749.02 and 21,228.72 is: 29,293.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,226.11 : 52,749.02 = 21,228.72 : x
  2. Step 2: Convert to fraction form
    38,226.11/52,749.02 = 21,228.72/x
  3. Step 3: Cross multiply
    38,226.11x = 52,749.02 × 21,228.72
  4. Step 4: Simplify right side
    38,226.11x = 1,119,794,069.71
  5. Step 5: Solve for x
    x = 1,119,794,069.71/38,226.11
  6. Step 6: Final answer
    x = 29,293.96

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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.