Home / 31,505.54-47,267.52-9,319.49

Finding the Fourth Proportional to 31,505.54, 47,267.52 and 9,319.49

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Solution

The fourth proportional to 31,505.54, 47,267.52 and 9,319.49 is: 13,981.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.54 : 47,267.52 = 9,319.49 : x
  2. Step 2: Convert to fraction form
    31,505.54/47,267.52 = 9,319.49/x
  3. Step 3: Cross multiply
    31,505.54x = 47,267.52 × 9,319.49
  4. Step 4: Simplify right side
    31,505.54x = 440,508,943.63
  5. Step 5: Solve for x
    x = 440,508,943.63/31,505.54
  6. Step 6: Final answer
    x = 13,981.95

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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.