Home / 50,995.28-70,378.24-30,857.13

Finding the Fourth Proportional to 50,995.28, 70,378.24 and 30,857.13

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Solution

The fourth proportional to 50,995.28, 70,378.24 and 30,857.13 is: 42,585.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,995.28 : 70,378.24 = 30,857.13 : x
  2. Step 2: Convert to fraction form
    50,995.28/70,378.24 = 30,857.13/x
  3. Step 3: Cross multiply
    50,995.28x = 70,378.24 × 30,857.13
  4. Step 4: Simplify right side
    50,995.28x = 2,171,670,423.71
  5. Step 5: Solve for x
    x = 2,171,670,423.71/50,995.28
  6. Step 6: Final answer
    x = 42,585.71

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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.