Home / 29,235.84-40,345.38-16,660.68

Finding the Fourth Proportional to 29,235.84, 40,345.38 and 16,660.68

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Solution

The fourth proportional to 29,235.84, 40,345.38 and 16,660.68 is: 22,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,235.84 : 40,345.38 = 16,660.68 : x
  2. Step 2: Convert to fraction form
    29,235.84/40,345.38 = 16,660.68/x
  3. Step 3: Cross multiply
    29,235.84x = 40,345.38 × 16,660.68
  4. Step 4: Simplify right side
    29,235.84x = 672,181,465.66
  5. Step 5: Solve for x
    x = 672,181,465.66/29,235.84
  6. Step 6: Final answer
    x = 22,991.69

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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.