Home / 31,530.94-47,272.69-14,881.48

Finding the Fourth Proportional to 31,530.94, 47,272.69 and 14,881.48

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Solution

The fourth proportional to 31,530.94, 47,272.69 and 14,881.48 is: 22,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,530.94 : 47,272.69 = 14,881.48 : x
  2. Step 2: Convert to fraction form
    31,530.94/47,272.69 = 14,881.48/x
  3. Step 3: Cross multiply
    31,530.94x = 47,272.69 × 14,881.48
  4. Step 4: Simplify right side
    31,530.94x = 703,487,590.78
  5. Step 5: Solve for x
    x = 703,487,590.78/31,530.94
  6. Step 6: Final answer
    x = 22,311.03

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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.