Home / 50,820.04-70,131.78-28,158.85

Finding the Fourth Proportional to 50,820.04, 70,131.78 and 28,158.85

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Solution

The fourth proportional to 50,820.04, 70,131.78 and 28,158.85 is: 38,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.04 : 70,131.78 = 28,158.85 : x
  2. Step 2: Convert to fraction form
    50,820.04/70,131.78 = 28,158.85/x
  3. Step 3: Cross multiply
    50,820.04x = 70,131.78 × 28,158.85
  4. Step 4: Simplify right side
    50,820.04x = 1,974,830,273.25
  5. Step 5: Solve for x
    x = 1,974,830,273.25/50,820.04
  6. Step 6: Final answer
    x = 38,859.28

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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.