Home / 31,436.44-47,153.46-10,659.92

Finding the Fourth Proportional to 31,436.44, 47,153.46 and 10,659.92

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Solution

The fourth proportional to 31,436.44, 47,153.46 and 10,659.92 is: 15,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.44 : 47,153.46 = 10,659.92 : x
  2. Step 2: Convert to fraction form
    31,436.44/47,153.46 = 10,659.92/x
  3. Step 3: Cross multiply
    31,436.44x = 47,153.46 × 10,659.92
  4. Step 4: Simplify right side
    31,436.44x = 502,652,111.32
  5. Step 5: Solve for x
    x = 502,652,111.32/31,436.44
  6. Step 6: Final answer
    x = 15,989.47

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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.