Home / 54,637.16-75,399.54-30,767

Finding the Fourth Proportional to 54,637.16, 75,399.54 and 30,767

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Solution

The fourth proportional to 54,637.16, 75,399.54 and 30,767 is: 42,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,637.16 : 75,399.54 = 30,767 : x
  2. Step 2: Convert to fraction form
    54,637.16/75,399.54 = 30,767/x
  3. Step 3: Cross multiply
    54,637.16x = 75,399.54 × 30,767
  4. Step 4: Simplify right side
    54,637.16x = 2,319,817,647.18
  5. Step 5: Solve for x
    x = 2,319,817,647.18/54,637.16
  6. Step 6: Final answer
    x = 42,458.61

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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.