Home / 55,949.64-77,212.11-30,457.65

Finding the Fourth Proportional to 55,949.64, 77,212.11 and 30,457.65

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Solution

The fourth proportional to 55,949.64, 77,212.11 and 30,457.65 is: 42,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.64 : 77,212.11 = 30,457.65 : x
  2. Step 2: Convert to fraction form
    55,949.64/77,212.11 = 30,457.65/x
  3. Step 3: Cross multiply
    55,949.64x = 77,212.11 × 30,457.65
  4. Step 4: Simplify right side
    55,949.64x = 2,351,699,422.14
  5. Step 5: Solve for x
    x = 2,351,699,422.14/55,949.64
  6. Step 6: Final answer
    x = 42,032.43

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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.