Home / 39,761.77-59,642.36-10,179.56

Finding the Fourth Proportional to 39,761.77, 59,642.36 and 10,179.56

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Solution

The fourth proportional to 39,761.77, 59,642.36 and 10,179.56 is: 15,269.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.77 : 59,642.36 = 10,179.56 : x
  2. Step 2: Convert to fraction form
    39,761.77/59,642.36 = 10,179.56/x
  3. Step 3: Cross multiply
    39,761.77x = 59,642.36 × 10,179.56
  4. Step 4: Simplify right side
    39,761.77x = 607,132,982.16
  5. Step 5: Solve for x
    x = 607,132,982.16/39,761.77
  6. Step 6: Final answer
    x = 15,269.26

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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.