Home / 38,221.40-52,744.02-21,226.52

Finding the Fourth Proportional to 38,221.40, 52,744.02 and 21,226.52

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Solution

The fourth proportional to 38,221.40, 52,744.02 and 21,226.52 is: 29,291.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.40 : 52,744.02 = 21,226.52 : x
  2. Step 2: Convert to fraction form
    38,221.40/52,744.02 = 21,226.52/x
  3. Step 3: Cross multiply
    38,221.40x = 52,744.02 × 21,226.52
  4. Step 4: Simplify right side
    38,221.40x = 1,119,571,995.41
  5. Step 5: Solve for x
    x = 1,119,571,995.41/38,221.40
  6. Step 6: Final answer
    x = 29,291.76

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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.