Home / 31,965.77-47,955.58-12,244.32

Finding the Fourth Proportional to 31,965.77, 47,955.58 and 12,244.32

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Solution

The fourth proportional to 31,965.77, 47,955.58 and 12,244.32 is: 18,369.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.77 : 47,955.58 = 12,244.32 : x
  2. Step 2: Convert to fraction form
    31,965.77/47,955.58 = 12,244.32/x
  3. Step 3: Cross multiply
    31,965.77x = 47,955.58 × 12,244.32
  4. Step 4: Simplify right side
    31,965.77x = 587,183,436.69
  5. Step 5: Solve for x
    x = 587,183,436.69/31,965.77
  6. Step 6: Final answer
    x = 18,369.13

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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.