Home / 50,713.20-76,069.80-19,548.45

Finding the Fourth Proportional to 50,713.20, 76,069.80 and 19,548.45

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Solution

The fourth proportional to 50,713.20, 76,069.80 and 19,548.45 is: 29,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,713.20 : 76,069.80 = 19,548.45 : x
  2. Step 2: Convert to fraction form
    50,713.20/76,069.80 = 19,548.45/x
  3. Step 3: Cross multiply
    50,713.20x = 76,069.80 × 19,548.45
  4. Step 4: Simplify right side
    50,713.20x = 1,487,046,681.81
  5. Step 5: Solve for x
    x = 1,487,046,681.81/50,713.20
  6. Step 6: Final answer
    x = 29,322.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.