Home / 50,825.59-70,138.24-28,164.40

Finding the Fourth Proportional to 50,825.59, 70,138.24 and 28,164.40

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Solution

The fourth proportional to 50,825.59, 70,138.24 and 28,164.40 is: 38,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.59 : 70,138.24 = 28,164.40 : x
  2. Step 2: Convert to fraction form
    50,825.59/70,138.24 = 28,164.40/x
  3. Step 3: Cross multiply
    50,825.59x = 70,138.24 × 28,164.40
  4. Step 4: Simplify right side
    50,825.59x = 1,975,401,446.66
  5. Step 5: Solve for x
    x = 1,975,401,446.66/50,825.59
  6. Step 6: Final answer
    x = 38,866.28

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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.