Home / 51,434.74-77,181.24-20,291.86

Finding the Fourth Proportional to 51,434.74, 77,181.24 and 20,291.86

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Solution

The fourth proportional to 51,434.74, 77,181.24 and 20,291.86 is: 30,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,434.74 : 77,181.24 = 20,291.86 : x
  2. Step 2: Convert to fraction form
    51,434.74/77,181.24 = 20,291.86/x
  3. Step 3: Cross multiply
    51,434.74x = 77,181.24 × 20,291.86
  4. Step 4: Simplify right side
    51,434.74x = 1,566,150,916.71
  5. Step 5: Solve for x
    x = 1,566,150,916.71/51,434.74
  6. Step 6: Final answer
    x = 30,449.28

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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.