Home / 72,858-109,277.42-22,938.36

Finding the Fourth Proportional to 72,858, 109,277.42 and 22,938.36

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Solution

The fourth proportional to 72,858, 109,277.42 and 22,938.36 is: 34,404.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,858 : 109,277.42 = 22,938.36 : x
  2. Step 2: Convert to fraction form
    72,858/109,277.42 = 22,938.36/x
  3. Step 3: Cross multiply
    72,858x = 109,277.42 × 22,938.36
  4. Step 4: Simplify right side
    72,858x = 2,506,644,799.83
  5. Step 5: Solve for x
    x = 2,506,644,799.83/72,858
  6. Step 6: Final answer
    x = 34,404.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.