Home / 50,977.44-70,346.49-28,317.90

Finding the Fourth Proportional to 50,977.44, 70,346.49 and 28,317.90

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Solution

The fourth proportional to 50,977.44, 70,346.49 and 28,317.90 is: 39,077.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.44 : 70,346.49 = 28,317.90 : x
  2. Step 2: Convert to fraction form
    50,977.44/70,346.49 = 28,317.90/x
  3. Step 3: Cross multiply
    50,977.44x = 70,346.49 × 28,317.90
  4. Step 4: Simplify right side
    50,977.44x = 1,992,064,869.17
  5. Step 5: Solve for x
    x = 1,992,064,869.17/50,977.44
  6. Step 6: Final answer
    x = 39,077.38

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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.