Home / 55,617.75-76,754.40-30,468.87

Finding the Fourth Proportional to 55,617.75, 76,754.40 and 30,468.87

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Solution

The fourth proportional to 55,617.75, 76,754.40 and 30,468.87 is: 42,048.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.75 : 76,754.40 = 30,468.87 : x
  2. Step 2: Convert to fraction form
    55,617.75/76,754.40 = 30,468.87/x
  3. Step 3: Cross multiply
    55,617.75x = 76,754.40 × 30,468.87
  4. Step 4: Simplify right side
    55,617.75x = 2,338,619,835.53
  5. Step 5: Solve for x
    x = 2,338,619,835.53/55,617.75
  6. Step 6: Final answer
    x = 42,048.08

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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.