Home / 50,825.25-70,138.85-30,953.25

Finding the Fourth Proportional to 50,825.25, 70,138.85 and 30,953.25

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Solution

The fourth proportional to 50,825.25, 70,138.85 and 30,953.25 is: 42,715.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.25 : 70,138.85 = 30,953.25 : x
  2. Step 2: Convert to fraction form
    50,825.25/70,138.85 = 30,953.25/x
  3. Step 3: Cross multiply
    50,825.25x = 70,138.85 × 30,953.25
  4. Step 4: Simplify right side
    50,825.25x = 2,171,025,358.76
  5. Step 5: Solve for x
    x = 2,171,025,358.76/50,825.25
  6. Step 6: Final answer
    x = 42,715.49

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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.