Home / 31,462.35-47,200.47-10,408.95

Finding the Fourth Proportional to 31,462.35, 47,200.47 and 10,408.95

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Solution

The fourth proportional to 31,462.35, 47,200.47 and 10,408.95 is: 15,615.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.35 : 47,200.47 = 10,408.95 : x
  2. Step 2: Convert to fraction form
    31,462.35/47,200.47 = 10,408.95/x
  3. Step 3: Cross multiply
    31,462.35x = 47,200.47 × 10,408.95
  4. Step 4: Simplify right side
    31,462.35x = 491,307,332.21
  5. Step 5: Solve for x
    x = 491,307,332.21/31,462.35
  6. Step 6: Final answer
    x = 15,615.72

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