Home / 51,365.30-77,046.32-30,448.68

Finding the Fourth Proportional to 51,365.30, 77,046.32 and 30,448.68

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Solution

The fourth proportional to 51,365.30, 77,046.32 and 30,448.68 is: 45,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.30 : 77,046.32 = 30,448.68 : x
  2. Step 2: Convert to fraction form
    51,365.30/77,046.32 = 30,448.68/x
  3. Step 3: Cross multiply
    51,365.30x = 77,046.32 × 30,448.68
  4. Step 4: Simplify right side
    51,365.30x = 2,345,958,742.86
  5. Step 5: Solve for x
    x = 2,345,958,742.86/51,365.30
  6. Step 6: Final answer
    x = 45,672.05

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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.