Home / 34,131.54-51,220.37-11,945.10

Finding the Fourth Proportional to 34,131.54, 51,220.37 and 11,945.10

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Solution

The fourth proportional to 34,131.54, 51,220.37 and 11,945.10 is: 17,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131.54 : 51,220.37 = 11,945.10 : x
  2. Step 2: Convert to fraction form
    34,131.54/51,220.37 = 11,945.10/x
  3. Step 3: Cross multiply
    34,131.54x = 51,220.37 × 11,945.10
  4. Step 4: Simplify right side
    34,131.54x = 611,832,381.96
  5. Step 5: Solve for x
    x = 611,832,381.96/34,131.54
  6. Step 6: Final answer
    x = 17,925.72

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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.