Home / 29,689.58-40,971.39-16,260.59

Finding the Fourth Proportional to 29,689.58, 40,971.39 and 16,260.59

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Solution

The fourth proportional to 29,689.58, 40,971.39 and 16,260.59 is: 22,439.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,689.58 : 40,971.39 = 16,260.59 : x
  2. Step 2: Convert to fraction form
    29,689.58/40,971.39 = 16,260.59/x
  3. Step 3: Cross multiply
    29,689.58x = 40,971.39 × 16,260.59
  4. Step 4: Simplify right side
    29,689.58x = 666,218,974.52
  5. Step 5: Solve for x
    x = 666,218,974.52/29,689.58
  6. Step 6: Final answer
    x = 22,439.49

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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.