Home / 31,885.74-47,845.08-14,351.94

Finding the Fourth Proportional to 31,885.74, 47,845.08 and 14,351.94

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Solution

The fourth proportional to 31,885.74, 47,845.08 and 14,351.94 is: 21,535.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,885.74 : 47,845.08 = 14,351.94 : x
  2. Step 2: Convert to fraction form
    31,885.74/47,845.08 = 14,351.94/x
  3. Step 3: Cross multiply
    31,885.74x = 47,845.08 × 14,351.94
  4. Step 4: Simplify right side
    31,885.74x = 686,669,717.46
  5. Step 5: Solve for x
    x = 686,669,717.46/31,885.74
  6. Step 6: Final answer
    x = 21,535.32

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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.