Home / 31,647.21-47,429.29-23,288.09

Finding the Fourth Proportional to 31,647.21, 47,429.29 and 23,288.09

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Solution

The fourth proportional to 31,647.21, 47,429.29 and 23,288.09 is: 34,901.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,647.21 : 47,429.29 = 23,288.09 : x
  2. Step 2: Convert to fraction form
    31,647.21/47,429.29 = 23,288.09/x
  3. Step 3: Cross multiply
    31,647.21x = 47,429.29 × 23,288.09
  4. Step 4: Simplify right side
    31,647.21x = 1,104,537,574.16
  5. Step 5: Solve for x
    x = 1,104,537,574.16/31,647.21
  6. Step 6: Final answer
    x = 34,901.58

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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.