Home / 37,645.12-51,948.96-20,879.68

Finding the Fourth Proportional to 37,645.12, 51,948.96 and 20,879.68

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Solution

The fourth proportional to 37,645.12, 51,948.96 and 20,879.68 is: 28,813.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,645.12 : 51,948.96 = 20,879.68 : x
  2. Step 2: Convert to fraction form
    37,645.12/51,948.96 = 20,879.68/x
  3. Step 3: Cross multiply
    37,645.12x = 51,948.96 × 20,879.68
  4. Step 4: Simplify right side
    37,645.12x = 1,084,677,661.13
  5. Step 5: Solve for x
    x = 1,084,677,661.13/37,645.12
  6. Step 6: Final answer
    x = 28,813.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.