Home / 54,368.47-75,021.15-30,493.72

Finding the Fourth Proportional to 54,368.47, 75,021.15 and 30,493.72

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Solution

The fourth proportional to 54,368.47, 75,021.15 and 30,493.72 is: 42,077.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,368.47 : 75,021.15 = 30,493.72 : x
  2. Step 2: Convert to fraction form
    54,368.47/75,021.15 = 30,493.72/x
  3. Step 3: Cross multiply
    54,368.47x = 75,021.15 × 30,493.72
  4. Step 4: Simplify right side
    54,368.47x = 2,287,673,942.18
  5. Step 5: Solve for x
    x = 2,287,673,942.18/54,368.47
  6. Step 6: Final answer
    x = 42,077.22

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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.