Home / 31,599.93-47,408.55-13,827.36

Finding the Fourth Proportional to 31,599.93, 47,408.55 and 13,827.36

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Solution

The fourth proportional to 31,599.93, 47,408.55 and 13,827.36 is: 20,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,599.93 : 47,408.55 = 13,827.36 : x
  2. Step 2: Convert to fraction form
    31,599.93/47,408.55 = 13,827.36/x
  3. Step 3: Cross multiply
    31,599.93x = 47,408.55 × 13,827.36
  4. Step 4: Simplify right side
    31,599.93x = 655,535,087.93
  5. Step 5: Solve for x
    x = 655,535,087.93/31,599.93
  6. Step 6: Final answer
    x = 20,744.83

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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.