Home / 36,792.57-50,780.75-20,878.50

Finding the Fourth Proportional to 36,792.57, 50,780.75 and 20,878.50

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Solution

The fourth proportional to 36,792.57, 50,780.75 and 20,878.50 is: 28,816.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,792.57 : 50,780.75 = 20,878.50 : x
  2. Step 2: Convert to fraction form
    36,792.57/50,780.75 = 20,878.50/x
  3. Step 3: Cross multiply
    36,792.57x = 50,780.75 × 20,878.50
  4. Step 4: Simplify right side
    36,792.57x = 1,060,225,784.48
  5. Step 5: Solve for x
    x = 1,060,225,784.48/36,792.57
  6. Step 6: Final answer
    x = 28,816.30

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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.