Home / 29,639.31-40,917.12-22,909.74

Finding the Fourth Proportional to 29,639.31, 40,917.12 and 22,909.74

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Solution

The fourth proportional to 29,639.31, 40,917.12 and 22,909.74 is: 31,626.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.31 : 40,917.12 = 22,909.74 : x
  2. Step 2: Convert to fraction form
    29,639.31/40,917.12 = 22,909.74/x
  3. Step 3: Cross multiply
    29,639.31x = 40,917.12 × 22,909.74
  4. Step 4: Simplify right side
    29,639.31x = 937,400,580.75
  5. Step 5: Solve for x
    x = 937,400,580.75/29,639.31
  6. Step 6: Final answer
    x = 31,626.94

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1.5x scale

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.