Home / 31,691.81-47,544.92-16,892.93

Finding the Fourth Proportional to 31,691.81, 47,544.92 and 16,892.93

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Solution

The fourth proportional to 31,691.81, 47,544.92 and 16,892.93 is: 25,343.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,691.81 : 47,544.92 = 16,892.93 : x
  2. Step 2: Convert to fraction form
    31,691.81/47,544.92 = 16,892.93/x
  3. Step 3: Cross multiply
    31,691.81x = 47,544.92 × 16,892.93
  4. Step 4: Simplify right side
    31,691.81x = 803,172,683.23
  5. Step 5: Solve for x
    x = 803,172,683.23/31,691.81
  6. Step 6: Final answer
    x = 25,343.23

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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.