Home / 50,840.28-70,161.39-30,693.23

Finding the Fourth Proportional to 50,840.28, 70,161.39 and 30,693.23

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Solution

The fourth proportional to 50,840.28, 70,161.39 and 30,693.23 is: 42,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,840.28 : 70,161.39 = 30,693.23 : x
  2. Step 2: Convert to fraction form
    50,840.28/70,161.39 = 30,693.23/x
  3. Step 3: Cross multiply
    50,840.28x = 70,161.39 × 30,693.23
  4. Step 4: Simplify right side
    50,840.28x = 2,153,479,680.39
  5. Step 5: Solve for x
    x = 2,153,479,680.39/50,840.28
  6. Step 6: Final answer
    x = 42,357.75

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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.