Home / 31,529.36-47,323.56-15,957.92

Finding the Fourth Proportional to 31,529.36, 47,323.56 and 15,957.92

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Solution

The fourth proportional to 31,529.36, 47,323.56 and 15,957.92 is: 23,951.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,529.36 : 47,323.56 = 15,957.92 : x
  2. Step 2: Convert to fraction form
    31,529.36/47,323.56 = 15,957.92/x
  3. Step 3: Cross multiply
    31,529.36x = 47,323.56 × 15,957.92
  4. Step 4: Simplify right side
    31,529.36x = 755,185,347.98
  5. Step 5: Solve for x
    x = 755,185,347.98/31,529.36
  6. Step 6: Final answer
    x = 23,951.82

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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.