Home / 31,505.13-47,262.48-10,723.77

Finding the Fourth Proportional to 31,505.13, 47,262.48 and 10,723.77

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Solution

The fourth proportional to 31,505.13, 47,262.48 and 10,723.77 is: 16,087.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.13 : 47,262.48 = 10,723.77 : x
  2. Step 2: Convert to fraction form
    31,505.13/47,262.48 = 10,723.77/x
  3. Step 3: Cross multiply
    31,505.13x = 47,262.48 × 10,723.77
  4. Step 4: Simplify right side
    31,505.13x = 506,831,965.15
  5. Step 5: Solve for x
    x = 506,831,965.15/31,505.13
  6. Step 6: Final answer
    x = 16,087.28

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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.