Home / 29,639.12-40,916.86-22,909.54

Finding the Fourth Proportional to 29,639.12, 40,916.86 and 22,909.54

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Solution

The fourth proportional to 29,639.12, 40,916.86 and 22,909.54 is: 31,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.12 : 40,916.86 = 22,909.54 : x
  2. Step 2: Convert to fraction form
    29,639.12/40,916.86 = 22,909.54/x
  3. Step 3: Cross multiply
    29,639.12x = 40,916.86 × 22,909.54
  4. Step 4: Simplify right side
    29,639.12x = 937,386,440.84
  5. Step 5: Solve for x
    x = 937,386,440.84/29,639.12
  6. Step 6: Final answer
    x = 31,626.66

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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.