Home / 31,816.08-43,888.50-29,563.47

Finding the Fourth Proportional to 31,816.08, 43,888.50 and 29,563.47

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Solution

The fourth proportional to 31,816.08, 43,888.50 and 29,563.47 is: 40,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.08 : 43,888.50 = 29,563.47 : x
  2. Step 2: Convert to fraction form
    31,816.08/43,888.50 = 29,563.47/x
  3. Step 3: Cross multiply
    31,816.08x = 43,888.50 × 29,563.47
  4. Step 4: Simplify right side
    31,816.08x = 1,297,496,353.10
  5. Step 5: Solve for x
    x = 1,297,496,353.10/31,816.08
  6. Step 6: Final answer
    x = 40,781.15

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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.