Home / 31,727.62-47,598.11-12,005.74

Finding the Fourth Proportional to 31,727.62, 47,598.11 and 12,005.74

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Solution

The fourth proportional to 31,727.62, 47,598.11 and 12,005.74 is: 18,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,727.62 : 47,598.11 = 12,005.74 : x
  2. Step 2: Convert to fraction form
    31,727.62/47,598.11 = 12,005.74/x
  3. Step 3: Cross multiply
    31,727.62x = 47,598.11 × 12,005.74
  4. Step 4: Simplify right side
    31,727.62x = 571,450,533.15
  5. Step 5: Solve for x
    x = 571,450,533.15/31,727.62
  6. Step 6: Final answer
    x = 18,011.14

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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.