Home / 54,810.87-75,642.42-30,941.58

Finding the Fourth Proportional to 54,810.87, 75,642.42 and 30,941.58

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Solution

The fourth proportional to 54,810.87, 75,642.42 and 30,941.58 is: 42,701.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.87 : 75,642.42 = 30,941.58 : x
  2. Step 2: Convert to fraction form
    54,810.87/75,642.42 = 30,941.58/x
  3. Step 3: Cross multiply
    54,810.87x = 75,642.42 × 30,941.58
  4. Step 4: Simplify right side
    54,810.87x = 2,340,495,989.82
  5. Step 5: Solve for x
    x = 2,340,495,989.82/54,810.87
  6. Step 6: Final answer
    x = 42,701.31

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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.