Home / 61,639.12-92,403.38-22,168.64

Finding the Fourth Proportional to 61,639.12, 92,403.38 and 22,168.64

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Solution

The fourth proportional to 61,639.12, 92,403.38 and 22,168.64 is: 33,233.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,639.12 : 92,403.38 = 22,168.64 : x
  2. Step 2: Convert to fraction form
    61,639.12/92,403.38 = 22,168.64/x
  3. Step 3: Cross multiply
    61,639.12x = 92,403.38 × 22,168.64
  4. Step 4: Simplify right side
    61,639.12x = 2,048,457,266.00
  5. Step 5: Solve for x
    x = 2,048,457,266.00/61,639.12
  6. Step 6: Final answer
    x = 33,233.07

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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.