Home / 57,218.64-85,801.32-21,686.76

Finding the Fourth Proportional to 57,218.64, 85,801.32 and 21,686.76

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Solution

The fourth proportional to 57,218.64, 85,801.32 and 21,686.76 is: 32,520.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.64 : 85,801.32 = 21,686.76 : x
  2. Step 2: Convert to fraction form
    57,218.64/85,801.32 = 21,686.76/x
  3. Step 3: Cross multiply
    57,218.64x = 85,801.32 × 21,686.76
  4. Step 4: Simplify right side
    57,218.64x = 1,860,752,634.52
  5. Step 5: Solve for x
    x = 1,860,752,634.52/57,218.64
  6. Step 6: Final answer
    x = 32,520.04

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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.