Home / 29,464.48-40,660.80-16,720.16

Finding the Fourth Proportional to 29,464.48, 40,660.80 and 16,720.16

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Solution

The fourth proportional to 29,464.48, 40,660.80 and 16,720.16 is: 23,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,464.48 : 40,660.80 = 16,720.16 : x
  2. Step 2: Convert to fraction form
    29,464.48/40,660.80 = 16,720.16/x
  3. Step 3: Cross multiply
    29,464.48x = 40,660.80 × 16,720.16
  4. Step 4: Simplify right side
    29,464.48x = 679,855,081.73
  5. Step 5: Solve for x
    x = 679,855,081.73/29,464.48
  6. Step 6: Final answer
    x = 23,073.72

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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.