Home / 38,181.47-52,700.43-21,419.87

Finding the Fourth Proportional to 38,181.47, 52,700.43 and 21,419.87

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Solution

The fourth proportional to 38,181.47, 52,700.43 and 21,419.87 is: 29,565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.47 : 52,700.43 = 21,419.87 : x
  2. Step 2: Convert to fraction form
    38,181.47/52,700.43 = 21,419.87/x
  3. Step 3: Cross multiply
    38,181.47x = 52,700.43 × 21,419.87
  4. Step 4: Simplify right side
    38,181.47x = 1,128,836,096.04
  5. Step 5: Solve for x
    x = 1,128,836,096.04/38,181.47
  6. Step 6: Final answer
    x = 29,565.03

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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.