Home / 54,437.07-75,121.23-30,564.75

Finding the Fourth Proportional to 54,437.07, 75,121.23 and 30,564.75

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Solution

The fourth proportional to 54,437.07, 75,121.23 and 30,564.75 is: 42,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437.07 : 75,121.23 = 30,564.75 : x
  2. Step 2: Convert to fraction form
    54,437.07/75,121.23 = 30,564.75/x
  3. Step 3: Cross multiply
    54,437.07x = 75,121.23 × 30,564.75
  4. Step 4: Simplify right side
    54,437.07x = 2,296,061,614.64
  5. Step 5: Solve for x
    x = 2,296,061,614.64/54,437.07
  6. Step 6: Final answer
    x = 42,178.27

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1.5x scale

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.