Home / 42,062.79-63,091.71-15,765.33

Finding the Fourth Proportional to 42,062.79, 63,091.71 and 15,765.33

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Solution

The fourth proportional to 42,062.79, 63,091.71 and 15,765.33 is: 23,647.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,062.79 : 63,091.71 = 15,765.33 : x
  2. Step 2: Convert to fraction form
    42,062.79/63,091.71 = 15,765.33/x
  3. Step 3: Cross multiply
    42,062.79x = 63,091.71 × 15,765.33
  4. Step 4: Simplify right side
    42,062.79x = 994,661,628.41
  5. Step 5: Solve for x
    x = 994,661,628.41/42,062.79
  6. Step 6: Final answer
    x = 23,647.07

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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.