Home / 57,200.22-85,811.13-21,672.18

Finding the Fourth Proportional to 57,200.22, 85,811.13 and 21,672.18

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Solution

The fourth proportional to 57,200.22, 85,811.13 and 21,672.18 is: 32,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,200.22 : 85,811.13 = 21,672.18 : x
  2. Step 2: Convert to fraction form
    57,200.22/85,811.13 = 21,672.18/x
  3. Step 3: Cross multiply
    57,200.22x = 85,811.13 × 21,672.18
  4. Step 4: Simplify right side
    57,200.22x = 1,859,714,255.36
  5. Step 5: Solve for x
    x = 1,859,714,255.36/57,200.22
  6. Step 6: Final answer
    x = 32,512.36

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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.