Home / 29,639.72-44,459.61-12,109.55

Finding the Fourth Proportional to 29,639.72, 44,459.61 and 12,109.55

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Solution

The fourth proportional to 29,639.72, 44,459.61 and 12,109.55 is: 18,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.72 : 44,459.61 = 12,109.55 : x
  2. Step 2: Convert to fraction form
    29,639.72/44,459.61 = 12,109.55/x
  3. Step 3: Cross multiply
    29,639.72x = 44,459.61 × 12,109.55
  4. Step 4: Simplify right side
    29,639.72x = 538,385,647.98
  5. Step 5: Solve for x
    x = 538,385,647.98/29,639.72
  6. Step 6: Final answer
    x = 18,164.33

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1.5x scale

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.