Home / 31,736.40-47,606.61-10,674.78

Finding the Fourth Proportional to 31,736.40, 47,606.61 and 10,674.78

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Solution

The fourth proportional to 31,736.40, 47,606.61 and 10,674.78 is: 16,012.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,736.40 : 47,606.61 = 10,674.78 : x
  2. Step 2: Convert to fraction form
    31,736.40/47,606.61 = 10,674.78/x
  3. Step 3: Cross multiply
    31,736.40x = 47,606.61 × 10,674.78
  4. Step 4: Simplify right side
    31,736.40x = 508,190,088.30
  5. Step 5: Solve for x
    x = 508,190,088.30/31,736.40
  6. Step 6: Final answer
    x = 16,012.85

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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.