Home / 54,369.80-75,025.28-30,491.86

Finding the Fourth Proportional to 54,369.80, 75,025.28 and 30,491.86

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Solution

The fourth proportional to 54,369.80, 75,025.28 and 30,491.86 is: 42,075.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.80 : 75,025.28 = 30,491.86 : x
  2. Step 2: Convert to fraction form
    54,369.80/75,025.28 = 30,491.86/x
  3. Step 3: Cross multiply
    54,369.80x = 75,025.28 × 30,491.86
  4. Step 4: Simplify right side
    54,369.80x = 2,287,659,806.64
  5. Step 5: Solve for x
    x = 2,287,659,806.64/54,369.80
  6. Step 6: Final answer
    x = 42,075.93

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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.