Home / 31,853.12-47,773.26-30,272.40

Finding the Fourth Proportional to 31,853.12, 47,773.26 and 30,272.40

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Solution

The fourth proportional to 31,853.12, 47,773.26 and 30,272.40 is: 45,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.12 : 47,773.26 = 30,272.40 : x
  2. Step 2: Convert to fraction form
    31,853.12/47,773.26 = 30,272.40/x
  3. Step 3: Cross multiply
    31,853.12x = 47,773.26 × 30,272.40
  4. Step 4: Simplify right side
    31,853.12x = 1,446,211,236.02
  5. Step 5: Solve for x
    x = 1,446,211,236.02/31,853.12
  6. Step 6: Final answer
    x = 45,402.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.