Home / 31,079.45-42,884.85-17,464.81

Finding the Fourth Proportional to 31,079.45, 42,884.85 and 17,464.81

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Solution

The fourth proportional to 31,079.45, 42,884.85 and 17,464.81 is: 24,098.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,079.45 : 42,884.85 = 17,464.81 : x
  2. Step 2: Convert to fraction form
    31,079.45/42,884.85 = 17,464.81/x
  3. Step 3: Cross multiply
    31,079.45x = 42,884.85 × 17,464.81
  4. Step 4: Simplify right side
    31,079.45x = 748,975,757.13
  5. Step 5: Solve for x
    x = 748,975,757.13/31,079.45
  6. Step 6: Final answer
    x = 24,098.75

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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.