Home / 39,688.54-54,770.11-22,693.11

Finding the Fourth Proportional to 39,688.54, 54,770.11 and 22,693.11

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Solution

The fourth proportional to 39,688.54, 54,770.11 and 22,693.11 is: 31,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,688.54 : 54,770.11 = 22,693.11 : x
  2. Step 2: Convert to fraction form
    39,688.54/54,770.11 = 22,693.11/x
  3. Step 3: Cross multiply
    39,688.54x = 54,770.11 × 22,693.11
  4. Step 4: Simplify right side
    39,688.54x = 1,242,903,857.09
  5. Step 5: Solve for x
    x = 1,242,903,857.09/39,688.54
  6. Step 6: Final answer
    x = 31,316.44

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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.