Home / 31,513.11-47,244.69-15,709.53

Finding the Fourth Proportional to 31,513.11, 47,244.69 and 15,709.53

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Solution

The fourth proportional to 31,513.11, 47,244.69 and 15,709.53 is: 23,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.11 : 47,244.69 = 15,709.53 : x
  2. Step 2: Convert to fraction form
    31,513.11/47,244.69 = 15,709.53/x
  3. Step 3: Cross multiply
    31,513.11x = 47,244.69 × 15,709.53
  4. Step 4: Simplify right side
    31,513.11x = 742,191,874.90
  5. Step 5: Solve for x
    x = 742,191,874.90/31,513.11
  6. Step 6: Final answer
    x = 23,551.84

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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.