Home / 31,789.08-47,683.62-8,417.34

Finding the Fourth Proportional to 31,789.08, 47,683.62 and 8,417.34

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Solution

The fourth proportional to 31,789.08, 47,683.62 and 8,417.34 is: 12,626.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,789.08 : 47,683.62 = 8,417.34 : x
  2. Step 2: Convert to fraction form
    31,789.08/47,683.62 = 8,417.34/x
  3. Step 3: Cross multiply
    31,789.08x = 47,683.62 × 8,417.34
  4. Step 4: Simplify right side
    31,789.08x = 401,369,241.97
  5. Step 5: Solve for x
    x = 401,369,241.97/31,789.08
  6. Step 6: Final answer
    x = 12,626.01

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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.