Home / 61,639.13-92,403.20-22,168.50

Finding the Fourth Proportional to 61,639.13, 92,403.20 and 22,168.50

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Solution

The fourth proportional to 61,639.13, 92,403.20 and 22,168.50 is: 33,232.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.13 : 92,403.20 = 22,168.50 : x
  2. Step 2: Convert to fraction form
    61,639.13/92,403.20 = 22,168.50/x
  3. Step 3: Cross multiply
    61,639.13x = 92,403.20 × 22,168.50
  4. Step 4: Simplify right side
    61,639.13x = 2,048,440,228.36
  5. Step 5: Solve for x
    x = 2,048,440,228.36/61,639.13
  6. Step 6: Final answer
    x = 33,232.79

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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.