Home / 31,730.40-47,586.33-10,668.06

Finding the Fourth Proportional to 31,730.40, 47,586.33 and 10,668.06

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Solution

The fourth proportional to 31,730.40, 47,586.33 and 10,668.06 is: 15,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,730.40 : 47,586.33 = 10,668.06 : x
  2. Step 2: Convert to fraction form
    31,730.40/47,586.33 = 10,668.06/x
  3. Step 3: Cross multiply
    31,730.40x = 47,586.33 × 10,668.06
  4. Step 4: Simplify right side
    31,730.40x = 507,653,823.62
  5. Step 5: Solve for x
    x = 507,653,823.62/31,730.40
  6. Step 6: Final answer
    x = 15,998.97

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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.