Home / 54,289.86-81,445.02-20,565.97

Finding the Fourth Proportional to 54,289.86, 81,445.02 and 20,565.97

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Solution

The fourth proportional to 54,289.86, 81,445.02 and 20,565.97 is: 30,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,289.86 : 81,445.02 = 20,565.97 : x
  2. Step 2: Convert to fraction form
    54,289.86/81,445.02 = 20,565.97/x
  3. Step 3: Cross multiply
    54,289.86x = 81,445.02 × 20,565.97
  4. Step 4: Simplify right side
    54,289.86x = 1,674,995,889.38
  5. Step 5: Solve for x
    x = 1,674,995,889.38/54,289.86
  6. Step 6: Final answer
    x = 30,852.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.