Home / 31,597.72-47,405.43-13,829.93

Finding the Fourth Proportional to 31,597.72, 47,405.43 and 13,829.93

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Solution

The fourth proportional to 31,597.72, 47,405.43 and 13,829.93 is: 20,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,597.72 : 47,405.43 = 13,829.93 : x
  2. Step 2: Convert to fraction form
    31,597.72/47,405.43 = 13,829.93/x
  3. Step 3: Cross multiply
    31,597.72x = 47,405.43 × 13,829.93
  4. Step 4: Simplify right side
    31,597.72x = 655,613,593.35
  5. Step 5: Solve for x
    x = 655,613,593.35/31,597.72
  6. Step 6: Final answer
    x = 20,748.76

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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.