Home / 72,381.54-108,567.06-22,460.36

Finding the Fourth Proportional to 72,381.54, 108,567.06 and 22,460.36

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Solution

The fourth proportional to 72,381.54, 108,567.06 and 22,460.36 is: 33,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,381.54 : 108,567.06 = 22,460.36 : x
  2. Step 2: Convert to fraction form
    72,381.54/108,567.06 = 22,460.36/x
  3. Step 3: Cross multiply
    72,381.54x = 108,567.06 × 22,460.36
  4. Step 4: Simplify right side
    72,381.54x = 2,438,455,251.74
  5. Step 5: Solve for x
    x = 2,438,455,251.74/72,381.54
  6. Step 6: Final answer
    x = 33,688.91

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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.