Home / 29,086.83-40,139.80-16,511.58

Finding the Fourth Proportional to 29,086.83, 40,139.80 and 16,511.58

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Solution

The fourth proportional to 29,086.83, 40,139.80 and 16,511.58 is: 22,785.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,086.83 : 40,139.80 = 16,511.58 : x
  2. Step 2: Convert to fraction form
    29,086.83/40,139.80 = 16,511.58/x
  3. Step 3: Cross multiply
    29,086.83x = 40,139.80 × 16,511.58
  4. Step 4: Simplify right side
    29,086.83x = 662,771,570.48
  5. Step 5: Solve for x
    x = 662,771,570.48/29,086.83
  6. Step 6: Final answer
    x = 22,785.97

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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.