Home / 42,760.28-64,111.26-25,220.54

Finding the Fourth Proportional to 42,760.28, 64,111.26 and 25,220.54

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Solution

The fourth proportional to 42,760.28, 64,111.26 and 25,220.54 is: 37,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,760.28 : 64,111.26 = 25,220.54 : x
  2. Step 2: Convert to fraction form
    42,760.28/64,111.26 = 25,220.54/x
  3. Step 3: Cross multiply
    42,760.28x = 64,111.26 × 25,220.54
  4. Step 4: Simplify right side
    42,760.28x = 1,616,920,597.28
  5. Step 5: Solve for x
    x = 1,616,920,597.28/42,760.28
  6. Step 6: Final answer
    x = 37,813.61

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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.