Home / 38,362.30-52,939.82-21,366.74

Finding the Fourth Proportional to 38,362.30, 52,939.82 and 21,366.74

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Solution

The fourth proportional to 38,362.30, 52,939.82 and 21,366.74 is: 29,486.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,362.30 : 52,939.82 = 21,366.74 : x
  2. Step 2: Convert to fraction form
    38,362.30/52,939.82 = 21,366.74/x
  3. Step 3: Cross multiply
    38,362.30x = 52,939.82 × 21,366.74
  4. Step 4: Simplify right side
    38,362.30x = 1,131,151,555.35
  5. Step 5: Solve for x
    x = 1,131,151,555.35/38,362.30
  6. Step 6: Final answer
    x = 29,486.02

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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.