Home / 39,222.78-54,128.73-23,087.17

Finding the Fourth Proportional to 39,222.78, 54,128.73 and 23,087.17

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Solution

The fourth proportional to 39,222.78, 54,128.73 and 23,087.17 is: 31,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.78 : 54,128.73 = 23,087.17 : x
  2. Step 2: Convert to fraction form
    39,222.78/54,128.73 = 23,087.17/x
  3. Step 3: Cross multiply
    39,222.78x = 54,128.73 × 23,087.17
  4. Step 4: Simplify right side
    39,222.78x = 1,249,679,191.39
  5. Step 5: Solve for x
    x = 1,249,679,191.39/39,222.78
  6. Step 6: Final answer
    x = 31,861.06

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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.