Home / 39,649.74-59,474.55-21,879.54

Finding the Fourth Proportional to 39,649.74, 59,474.55 and 21,879.54

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Solution

The fourth proportional to 39,649.74, 59,474.55 and 21,879.54 is: 32,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,649.74 : 59,474.55 = 21,879.54 : x
  2. Step 2: Convert to fraction form
    39,649.74/59,474.55 = 21,879.54/x
  3. Step 3: Cross multiply
    39,649.74x = 59,474.55 × 21,879.54
  4. Step 4: Simplify right side
    39,649.74x = 1,301,275,795.71
  5. Step 5: Solve for x
    x = 1,301,275,795.71/39,649.74
  6. Step 6: Final answer
    x = 32,819.28

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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.