Home / 54,436.90-75,122.93-30,564.09

Finding the Fourth Proportional to 54,436.90, 75,122.93 and 30,564.09

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Solution

The fourth proportional to 54,436.90, 75,122.93 and 30,564.09 is: 42,178.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,436.90 : 75,122.93 = 30,564.09 : x
  2. Step 2: Convert to fraction form
    54,436.90/75,122.93 = 30,564.09/x
  3. Step 3: Cross multiply
    54,436.90x = 75,122.93 × 30,564.09
  4. Step 4: Simplify right side
    54,436.90x = 2,296,063,945.02
  5. Step 5: Solve for x
    x = 2,296,063,945.02/54,436.90
  6. Step 6: Final answer
    x = 42,178.44

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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.