Home / 55,626.24-76,761.36-30,475.20

Finding the Fourth Proportional to 55,626.24, 76,761.36 and 30,475.20

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Solution

The fourth proportional to 55,626.24, 76,761.36 and 30,475.20 is: 42,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,626.24 : 76,761.36 = 30,475.20 : x
  2. Step 2: Convert to fraction form
    55,626.24/76,761.36 = 30,475.20/x
  3. Step 3: Cross multiply
    55,626.24x = 76,761.36 × 30,475.20
  4. Step 4: Simplify right side
    55,626.24x = 2,339,317,798.27
  5. Step 5: Solve for x
    x = 2,339,317,798.27/55,626.24
  6. Step 6: Final answer
    x = 42,054.21

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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.