Home / 54,810.04-75,641.26-30,928

Finding the Fourth Proportional to 54,810.04, 75,641.26 and 30,928

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Solution

The fourth proportional to 54,810.04, 75,641.26 and 30,928 is: 42,682.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.04 : 75,641.26 = 30,928 : x
  2. Step 2: Convert to fraction form
    54,810.04/75,641.26 = 30,928/x
  3. Step 3: Cross multiply
    54,810.04x = 75,641.26 × 30,928
  4. Step 4: Simplify right side
    54,810.04x = 2,339,432,889.28
  5. Step 5: Solve for x
    x = 2,339,432,889.28/54,810.04
  6. Step 6: Final answer
    x = 42,682.56

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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.