Home / 50,759.10-70,047.69-28,099.65

Finding the Fourth Proportional to 50,759.10, 70,047.69 and 28,099.65

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Solution

The fourth proportional to 50,759.10, 70,047.69 and 28,099.65 is: 38,777.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,759.10 : 70,047.69 = 28,099.65 : x
  2. Step 2: Convert to fraction form
    50,759.10/70,047.69 = 28,099.65/x
  3. Step 3: Cross multiply
    50,759.10x = 70,047.69 × 28,099.65
  4. Step 4: Simplify right side
    50,759.10x = 1,968,315,572.31
  5. Step 5: Solve for x
    x = 1,968,315,572.31/50,759.10
  6. Step 6: Final answer
    x = 38,777.59

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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.