Home / 31,731.92-47,563.62-13,946.74

Finding the Fourth Proportional to 31,731.92, 47,563.62 and 13,946.74

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Solution

The fourth proportional to 31,731.92, 47,563.62 and 13,946.74 is: 20,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,731.92 : 47,563.62 = 13,946.74 : x
  2. Step 2: Convert to fraction form
    31,731.92/47,563.62 = 13,946.74/x
  3. Step 3: Cross multiply
    31,731.92x = 47,563.62 × 13,946.74
  4. Step 4: Simplify right side
    31,731.92x = 663,357,441.60
  5. Step 5: Solve for x
    x = 663,357,441.60/31,731.92
  6. Step 6: Final answer
    x = 20,905.05

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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.