Home / 48,170.72-72,255.86-13,110.28

Finding the Fourth Proportional to 48,170.72, 72,255.86 and 13,110.28

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Solution

The fourth proportional to 48,170.72, 72,255.86 and 13,110.28 is: 19,665.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,170.72 : 72,255.86 = 13,110.28 : x
  2. Step 2: Convert to fraction form
    48,170.72/72,255.86 = 13,110.28/x
  3. Step 3: Cross multiply
    48,170.72x = 72,255.86 × 13,110.28
  4. Step 4: Simplify right side
    48,170.72x = 947,294,556.24
  5. Step 5: Solve for x
    x = 947,294,556.24/48,170.72
  6. Step 6: Final answer
    x = 19,665.36

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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.