Home / 29,639.79-44,453.61-12,990.66

Finding the Fourth Proportional to 29,639.79, 44,453.61 and 12,990.66

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Solution

The fourth proportional to 29,639.79, 44,453.61 and 12,990.66 is: 19,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.79 : 44,453.61 = 12,990.66 : x
  2. Step 2: Convert to fraction form
    29,639.79/44,453.61 = 12,990.66/x
  3. Step 3: Cross multiply
    29,639.79x = 44,453.61 × 12,990.66
  4. Step 4: Simplify right side
    29,639.79x = 577,481,733.28
  5. Step 5: Solve for x
    x = 577,481,733.28/29,639.79
  6. Step 6: Final answer
    x = 19,483.33

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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.