Home / 50,984.25-70,347.60-30,837.20

Finding the Fourth Proportional to 50,984.25, 70,347.60 and 30,837.20

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Solution

The fourth proportional to 50,984.25, 70,347.60 and 30,837.20 is: 42,548.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,984.25 : 70,347.60 = 30,837.20 : x
  2. Step 2: Convert to fraction form
    50,984.25/70,347.60 = 30,837.20/x
  3. Step 3: Cross multiply
    50,984.25x = 70,347.60 × 30,837.20
  4. Step 4: Simplify right side
    50,984.25x = 2,169,322,658.98
  5. Step 5: Solve for x
    x = 2,169,322,658.98/50,984.25
  6. Step 6: Final answer
    x = 42,548.88

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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.