Home / 31,409.76-47,123.14-10,633.26

Finding the Fourth Proportional to 31,409.76, 47,123.14 and 10,633.26

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Solution

The fourth proportional to 31,409.76, 47,123.14 and 10,633.26 is: 15,952.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,409.76 : 47,123.14 = 10,633.26 : x
  2. Step 2: Convert to fraction form
    31,409.76/47,123.14 = 10,633.26/x
  3. Step 3: Cross multiply
    31,409.76x = 47,123.14 × 10,633.26
  4. Step 4: Simplify right side
    31,409.76x = 501,072,599.64
  5. Step 5: Solve for x
    x = 501,072,599.64/31,409.76
  6. Step 6: Final answer
    x = 15,952.77

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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.