Home / 38,221.02-52,743.24-21,226.36

Finding the Fourth Proportional to 38,221.02, 52,743.24 and 21,226.36

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Solution

The fourth proportional to 38,221.02, 52,743.24 and 21,226.36 is: 29,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,221.02 : 52,743.24 = 21,226.36 : x
  2. Step 2: Convert to fraction form
    38,221.02/52,743.24 = 21,226.36/x
  3. Step 3: Cross multiply
    38,221.02x = 52,743.24 × 21,226.36
  4. Step 4: Simplify right side
    38,221.02x = 1,119,546,999.81
  5. Step 5: Solve for x
    x = 1,119,546,999.81/38,221.02
  6. Step 6: Final answer
    x = 29,291.40

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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.