Home / 31,544.70-47,239.11-20,417.16

Finding the Fourth Proportional to 31,544.70, 47,239.11 and 20,417.16

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Solution

The fourth proportional to 31,544.70, 47,239.11 and 20,417.16 is: 30,575.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,544.70 : 47,239.11 = 20,417.16 : x
  2. Step 2: Convert to fraction form
    31,544.70/47,239.11 = 20,417.16/x
  3. Step 3: Cross multiply
    31,544.70x = 47,239.11 × 20,417.16
  4. Step 4: Simplify right side
    31,544.70x = 964,488,467.13
  5. Step 5: Solve for x
    x = 964,488,467.13/31,544.70
  6. Step 6: Final answer
    x = 30,575.29

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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.