Home / 50,755.04-70,033.60-31,878.72

Finding the Fourth Proportional to 50,755.04, 70,033.60 and 31,878.72

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Solution

The fourth proportional to 50,755.04, 70,033.60 and 31,878.72 is: 43,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,755.04 : 70,033.60 = 31,878.72 : x
  2. Step 2: Convert to fraction form
    50,755.04/70,033.60 = 31,878.72/x
  3. Step 3: Cross multiply
    50,755.04x = 70,033.60 × 31,878.72
  4. Step 4: Simplify right side
    50,755.04x = 2,232,581,524.99
  5. Step 5: Solve for x
    x = 2,232,581,524.99/50,755.04
  6. Step 6: Final answer
    x = 43,987.39

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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.