Home / 31,308.60-46,970.20-10,248.56

Finding the Fourth Proportional to 31,308.60, 46,970.20 and 10,248.56

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Solution

The fourth proportional to 31,308.60, 46,970.20 and 10,248.56 is: 15,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.60 : 46,970.20 = 10,248.56 : x
  2. Step 2: Convert to fraction form
    31,308.60/46,970.20 = 10,248.56/x
  3. Step 3: Cross multiply
    31,308.60x = 46,970.20 × 10,248.56
  4. Step 4: Simplify right side
    31,308.60x = 481,376,912.91
  5. Step 5: Solve for x
    x = 481,376,912.91/31,308.60
  6. Step 6: Final answer
    x = 15,375.23

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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.