Home / 56,921.07-85,385.73-21,860.73

Finding the Fourth Proportional to 56,921.07, 85,385.73 and 21,860.73

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Solution

The fourth proportional to 56,921.07, 85,385.73 and 21,860.73 is: 32,792.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,921.07 : 85,385.73 = 21,860.73 : x
  2. Step 2: Convert to fraction form
    56,921.07/85,385.73 = 21,860.73/x
  3. Step 3: Cross multiply
    56,921.07x = 85,385.73 × 21,860.73
  4. Step 4: Simplify right side
    56,921.07x = 1,866,594,389.38
  5. Step 5: Solve for x
    x = 1,866,594,389.38/56,921.07
  6. Step 6: Final answer
    x = 32,792.68

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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.