Home / 55,614.32-76,747.73-30,120.68

Finding the Fourth Proportional to 55,614.32, 76,747.73 and 30,120.68

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Solution

The fourth proportional to 55,614.32, 76,747.73 and 30,120.68 is: 41,566.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.32 : 76,747.73 = 30,120.68 : x
  2. Step 2: Convert to fraction form
    55,614.32/76,747.73 = 30,120.68/x
  3. Step 3: Cross multiply
    55,614.32x = 76,747.73 × 30,120.68
  4. Step 4: Simplify right side
    55,614.32x = 2,311,693,607.17
  5. Step 5: Solve for x
    x = 2,311,693,607.17/55,614.32
  6. Step 6: Final answer
    x = 41,566.52

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1.5x scale

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.