Home / 66,327.24-99,424.38-30,813.53

Finding the Fourth Proportional to 66,327.24, 99,424.38 and 30,813.53

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Solution

The fourth proportional to 66,327.24, 99,424.38 and 30,813.53 is: 46,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,327.24 : 99,424.38 = 30,813.53 : x
  2. Step 2: Convert to fraction form
    66,327.24/99,424.38 = 30,813.53/x
  3. Step 3: Cross multiply
    66,327.24x = 99,424.38 × 30,813.53
  4. Step 4: Simplify right side
    66,327.24x = 3,063,615,618.74
  5. Step 5: Solve for x
    x = 3,063,615,618.74/66,327.24
  6. Step 6: Final answer
    x = 46,189.40

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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.