Home / 31,609.73-47,378.07-11,875.70

Finding the Fourth Proportional to 31,609.73, 47,378.07 and 11,875.70

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Solution

The fourth proportional to 31,609.73, 47,378.07 and 11,875.70 is: 17,799.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,609.73 : 47,378.07 = 11,875.70 : x
  2. Step 2: Convert to fraction form
    31,609.73/47,378.07 = 11,875.70/x
  3. Step 3: Cross multiply
    31,609.73x = 47,378.07 × 11,875.70
  4. Step 4: Simplify right side
    31,609.73x = 562,647,509.01
  5. Step 5: Solve for x
    x = 562,647,509.01/31,609.73
  6. Step 6: Final answer
    x = 17,799.82

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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.