Home / 29,431.71-40,624.52-16,864.83

Finding the Fourth Proportional to 29,431.71, 40,624.52 and 16,864.83

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Solution

The fourth proportional to 29,431.71, 40,624.52 and 16,864.83 is: 23,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,431.71 : 40,624.52 = 16,864.83 : x
  2. Step 2: Convert to fraction form
    29,431.71/40,624.52 = 16,864.83/x
  3. Step 3: Cross multiply
    29,431.71x = 40,624.52 × 16,864.83
  4. Step 4: Simplify right side
    29,431.71x = 685,125,539.31
  5. Step 5: Solve for x
    x = 685,125,539.31/29,431.71
  6. Step 6: Final answer
    x = 23,278.48

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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.