Home / 31,536.21-47,304.50-9,349.78

Finding the Fourth Proportional to 31,536.21, 47,304.50 and 9,349.78

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Solution

The fourth proportional to 31,536.21, 47,304.50 and 9,349.78 is: 14,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536.21 : 47,304.50 = 9,349.78 : x
  2. Step 2: Convert to fraction form
    31,536.21/47,304.50 = 9,349.78/x
  3. Step 3: Cross multiply
    31,536.21x = 47,304.50 × 9,349.78
  4. Step 4: Simplify right side
    31,536.21x = 442,286,384.74
  5. Step 5: Solve for x
    x = 442,286,384.74/31,536.21
  6. Step 6: Final answer
    x = 14,024.72

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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.