Home / 57,276.84-85,881.78-21,740.52

Finding the Fourth Proportional to 57,276.84, 85,881.78 and 21,740.52

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Solution

The fourth proportional to 57,276.84, 85,881.78 and 21,740.52 is: 32,598.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,276.84 : 85,881.78 = 21,740.52 : x
  2. Step 2: Convert to fraction form
    57,276.84/85,881.78 = 21,740.52/x
  3. Step 3: Cross multiply
    57,276.84x = 85,881.78 × 21,740.52
  4. Step 4: Simplify right side
    57,276.84x = 1,867,114,555.73
  5. Step 5: Solve for x
    x = 1,867,114,555.73/57,276.84
  6. Step 6: Final answer
    x = 32,598.07

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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.