Home / 31,972.32-47,956.46-9,783.59

Finding the Fourth Proportional to 31,972.32, 47,956.46 and 9,783.59

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Solution

The fourth proportional to 31,972.32, 47,956.46 and 9,783.59 is: 14,674.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.32 : 47,956.46 = 9,783.59 : x
  2. Step 2: Convert to fraction form
    31,972.32/47,956.46 = 9,783.59/x
  3. Step 3: Cross multiply
    31,972.32x = 47,956.46 × 9,783.59
  4. Step 4: Simplify right side
    31,972.32x = 469,186,053.79
  5. Step 5: Solve for x
    x = 469,186,053.79/31,972.32
  6. Step 6: Final answer
    x = 14,674.76

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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.