Home / 38,157.96-52,663.38-21,165.96

Finding the Fourth Proportional to 38,157.96, 52,663.38 and 21,165.96

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Solution

The fourth proportional to 38,157.96, 52,663.38 and 21,165.96 is: 29,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,157.96 : 52,663.38 = 21,165.96 : x
  2. Step 2: Convert to fraction form
    38,157.96/52,663.38 = 21,165.96/x
  3. Step 3: Cross multiply
    38,157.96x = 52,663.38 × 21,165.96
  4. Step 4: Simplify right side
    38,157.96x = 1,114,670,994.54
  5. Step 5: Solve for x
    x = 1,114,670,994.54/38,157.96
  6. Step 6: Final answer
    x = 29,212.02

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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.