Home / 31,908.21-47,853.51-16,894.97

Finding the Fourth Proportional to 31,908.21, 47,853.51 and 16,894.97

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Solution

The fourth proportional to 31,908.21, 47,853.51 and 16,894.97 is: 25,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.21 : 47,853.51 = 16,894.97 : x
  2. Step 2: Convert to fraction form
    31,908.21/47,853.51 = 16,894.97/x
  3. Step 3: Cross multiply
    31,908.21x = 47,853.51 × 16,894.97
  4. Step 4: Simplify right side
    31,908.21x = 808,483,376.58
  5. Step 5: Solve for x
    x = 808,483,376.58/31,908.21
  6. Step 6: Final answer
    x = 25,337.79

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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.