Home / 31,247.46-43,116.36-17,818.98

Finding the Fourth Proportional to 31,247.46, 43,116.36 and 17,818.98

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Solution

The fourth proportional to 31,247.46, 43,116.36 and 17,818.98 is: 24,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.46 : 43,116.36 = 17,818.98 : x
  2. Step 2: Convert to fraction form
    31,247.46/43,116.36 = 17,818.98/x
  3. Step 3: Cross multiply
    31,247.46x = 43,116.36 × 17,818.98
  4. Step 4: Simplify right side
    31,247.46x = 768,289,556.51
  5. Step 5: Solve for x
    x = 768,289,556.51/31,247.46
  6. Step 6: Final answer
    x = 24,587.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.