Home / 50,947.08-76,412.25-13,509.47

Finding the Fourth Proportional to 50,947.08, 76,412.25 and 13,509.47

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Solution

The fourth proportional to 50,947.08, 76,412.25 and 13,509.47 is: 20,261.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,947.08 : 76,412.25 = 13,509.47 : x
  2. Step 2: Convert to fraction form
    50,947.08/76,412.25 = 13,509.47/x
  3. Step 3: Cross multiply
    50,947.08x = 76,412.25 × 13,509.47
  4. Step 4: Simplify right side
    50,947.08x = 1,032,288,616.95
  5. Step 5: Solve for x
    x = 1,032,288,616.95/50,947.08
  6. Step 6: Final answer
    x = 20,261.98

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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.