Home / 31,926.75-47,890.09-14,376.07

Finding the Fourth Proportional to 31,926.75, 47,890.09 and 14,376.07

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Solution

The fourth proportional to 31,926.75, 47,890.09 and 14,376.07 is: 21,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,926.75 : 47,890.09 = 14,376.07 : x
  2. Step 2: Convert to fraction form
    31,926.75/47,890.09 = 14,376.07/x
  3. Step 3: Cross multiply
    31,926.75x = 47,890.09 × 14,376.07
  4. Step 4: Simplify right side
    31,926.75x = 688,471,286.15
  5. Step 5: Solve for x
    x = 688,471,286.15/31,926.75
  6. Step 6: Final answer
    x = 21,564.09

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1.5x scale

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.