Home / 61,428.78-84,771.51-34,571.34

Finding the Fourth Proportional to 61,428.78, 84,771.51 and 34,571.34

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Solution

The fourth proportional to 61,428.78, 84,771.51 and 34,571.34 is: 47,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,428.78 : 84,771.51 = 34,571.34 : x
  2. Step 2: Convert to fraction form
    61,428.78/84,771.51 = 34,571.34/x
  3. Step 3: Cross multiply
    61,428.78x = 84,771.51 × 34,571.34
  4. Step 4: Simplify right side
    61,428.78x = 2,930,664,694.52
  5. Step 5: Solve for x
    x = 2,930,664,694.52/61,428.78
  6. Step 6: Final answer
    x = 47,708.33

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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.