Home / 50,045.28-69,087.45-28,820.44

Finding the Fourth Proportional to 50,045.28, 69,087.45 and 28,820.44

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Solution

The fourth proportional to 50,045.28, 69,087.45 and 28,820.44 is: 39,786.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.28 : 69,087.45 = 28,820.44 : x
  2. Step 2: Convert to fraction form
    50,045.28/69,087.45 = 28,820.44/x
  3. Step 3: Cross multiply
    50,045.28x = 69,087.45 × 28,820.44
  4. Step 4: Simplify right side
    50,045.28x = 1,991,130,707.48
  5. Step 5: Solve for x
    x = 1,991,130,707.48/50,045.28
  6. Step 6: Final answer
    x = 39,786.58

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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.