Home / 50,807.28-70,148.26-31,716.12

Finding the Fourth Proportional to 50,807.28, 70,148.26 and 31,716.12

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Solution

The fourth proportional to 50,807.28, 70,148.26 and 31,716.12 is: 43,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,807.28 : 70,148.26 = 31,716.12 : x
  2. Step 2: Convert to fraction form
    50,807.28/70,148.26 = 31,716.12/x
  3. Step 3: Cross multiply
    50,807.28x = 70,148.26 × 31,716.12
  4. Step 4: Simplify right side
    50,807.28x = 2,224,830,631.95
  5. Step 5: Solve for x
    x = 2,224,830,631.95/50,807.28
  6. Step 6: Final answer
    x = 43,789.60

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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.