Home / 31,564.42-47,310.66-19,723.66

Finding the Fourth Proportional to 31,564.42, 47,310.66 and 19,723.66

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Solution

The fourth proportional to 31,564.42, 47,310.66 and 19,723.66 is: 29,563.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.42 : 47,310.66 = 19,723.66 : x
  2. Step 2: Convert to fraction form
    31,564.42/47,310.66 = 19,723.66/x
  3. Step 3: Cross multiply
    31,564.42x = 47,310.66 × 19,723.66
  4. Step 4: Simplify right side
    31,564.42x = 933,139,372.22
  5. Step 5: Solve for x
    x = 933,139,372.22/31,564.42
  6. Step 6: Final answer
    x = 29,563.01

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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.