Home / 50,045.40-69,069.96-28,820.52

Finding the Fourth Proportional to 50,045.40, 69,069.96 and 28,820.52

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Solution

The fourth proportional to 50,045.40, 69,069.96 and 28,820.52 is: 39,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,045.40 : 69,069.96 = 28,820.52 : x
  2. Step 2: Convert to fraction form
    50,045.40/69,069.96 = 28,820.52/x
  3. Step 3: Cross multiply
    50,045.40x = 69,069.96 × 28,820.52
  4. Step 4: Simplify right side
    50,045.40x = 1,990,632,163.58
  5. Step 5: Solve for x
    x = 1,990,632,163.58/50,045.40
  6. Step 6: Final answer
    x = 39,776.53

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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.