Home / 54,437.60-75,121.94-30,565.28

Finding the Fourth Proportional to 54,437.60, 75,121.94 and 30,565.28

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Solution

The fourth proportional to 54,437.60, 75,121.94 and 30,565.28 is: 42,178.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437.60 : 75,121.94 = 30,565.28 : x
  2. Step 2: Convert to fraction form
    54,437.60/75,121.94 = 30,565.28/x
  3. Step 3: Cross multiply
    54,437.60x = 75,121.94 × 30,565.28
  4. Step 4: Simplify right side
    54,437.60x = 2,296,122,754.63
  5. Step 5: Solve for x
    x = 2,296,122,754.63/54,437.60
  6. Step 6: Final answer
    x = 42,178.99

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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.