Home / 31,881.17-47,812.03-25,626.35

Finding the Fourth Proportional to 31,881.17, 47,812.03 and 25,626.35

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Solution

The fourth proportional to 31,881.17, 47,812.03 and 25,626.35 is: 38,431.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,881.17 : 47,812.03 = 25,626.35 : x
  2. Step 2: Convert to fraction form
    31,881.17/47,812.03 = 25,626.35/x
  3. Step 3: Cross multiply
    31,881.17x = 47,812.03 × 25,626.35
  4. Step 4: Simplify right side
    31,881.17x = 1,225,247,814.99
  5. Step 5: Solve for x
    x = 1,225,247,814.99/31,881.17
  6. Step 6: Final answer
    x = 38,431.71

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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.