Home / 31,521.90-47,282.65-9,335.39

Finding the Fourth Proportional to 31,521.90, 47,282.65 and 9,335.39

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Solution

The fourth proportional to 31,521.90, 47,282.65 and 9,335.39 is: 14,003.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.90 : 47,282.65 = 9,335.39 : x
  2. Step 2: Convert to fraction form
    31,521.90/47,282.65 = 9,335.39/x
  3. Step 3: Cross multiply
    31,521.90x = 47,282.65 × 9,335.39
  4. Step 4: Simplify right side
    31,521.90x = 441,402,072.85
  5. Step 5: Solve for x
    x = 441,402,072.85/31,521.90
  6. Step 6: Final answer
    x = 14,003.03

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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.