Home / 50,820.75-70,132.64-28,464.75

Finding the Fourth Proportional to 50,820.75, 70,132.64 and 28,464.75

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Solution

The fourth proportional to 50,820.75, 70,132.64 and 28,464.75 is: 39,281.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.75 : 70,132.64 = 28,464.75 : x
  2. Step 2: Convert to fraction form
    50,820.75/70,132.64 = 28,464.75/x
  3. Step 3: Cross multiply
    50,820.75x = 70,132.64 × 28,464.75
  4. Step 4: Simplify right side
    50,820.75x = 1,996,307,922.12
  5. Step 5: Solve for x
    x = 1,996,307,922.12/50,820.75
  6. Step 6: Final answer
    x = 39,281.36

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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.