Home / 47,805.36-71,707.76-12,266.48

Finding the Fourth Proportional to 47,805.36, 71,707.76 and 12,266.48

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Solution

The fourth proportional to 47,805.36, 71,707.76 and 12,266.48 is: 18,399.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.36 : 71,707.76 = 12,266.48 : x
  2. Step 2: Convert to fraction form
    47,805.36/71,707.76 = 12,266.48/x
  3. Step 3: Cross multiply
    47,805.36x = 71,707.76 × 12,266.48
  4. Step 4: Simplify right side
    47,805.36x = 879,601,803.88
  5. Step 5: Solve for x
    x = 879,601,803.88/47,805.36
  6. Step 6: Final answer
    x = 18,399.65

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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.