Home / 31,459.27-43,412.48-17,311.20

Finding the Fourth Proportional to 31,459.27, 43,412.48 and 17,311.20

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Solution

The fourth proportional to 31,459.27, 43,412.48 and 17,311.20 is: 23,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.27 : 43,412.48 = 17,311.20 : x
  2. Step 2: Convert to fraction form
    31,459.27/43,412.48 = 17,311.20/x
  3. Step 3: Cross multiply
    31,459.27x = 43,412.48 × 17,311.20
  4. Step 4: Simplify right side
    31,459.27x = 751,522,037.22
  5. Step 5: Solve for x
    x = 751,522,037.22/31,459.27
  6. Step 6: Final answer
    x = 23,888.73

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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.