Home / 37,580.35-51,860.77-20,813.35

Finding the Fourth Proportional to 37,580.35, 51,860.77 and 20,813.35

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Solution

The fourth proportional to 37,580.35, 51,860.77 and 20,813.35 is: 28,722.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,580.35 : 51,860.77 = 20,813.35 : x
  2. Step 2: Convert to fraction form
    37,580.35/51,860.77 = 20,813.35/x
  3. Step 3: Cross multiply
    37,580.35x = 51,860.77 × 20,813.35
  4. Step 4: Simplify right side
    37,580.35x = 1,079,396,357.28
  5. Step 5: Solve for x
    x = 1,079,396,357.28/37,580.35
  6. Step 6: Final answer
    x = 28,722.36

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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.