Home / 50,974.12-70,347.90-28,314.28

Finding the Fourth Proportional to 50,974.12, 70,347.90 and 28,314.28

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Solution

The fourth proportional to 50,974.12, 70,347.90 and 28,314.28 is: 39,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,974.12 : 70,347.90 = 28,314.28 : x
  2. Step 2: Convert to fraction form
    50,974.12/70,347.90 = 28,314.28/x
  3. Step 3: Cross multiply
    50,974.12x = 70,347.90 × 28,314.28
  4. Step 4: Simplify right side
    50,974.12x = 1,991,850,138.01
  5. Step 5: Solve for x
    x = 1,991,850,138.01/50,974.12
  6. Step 6: Final answer
    x = 39,075.71

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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.