Home / 72,541.45-108,799.64-19,233.80

Finding the Fourth Proportional to 72,541.45, 108,799.64 and 19,233.80

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Solution

The fourth proportional to 72,541.45, 108,799.64 and 19,233.80 is: 28,847.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,541.45 : 108,799.64 = 19,233.80 : x
  2. Step 2: Convert to fraction form
    72,541.45/108,799.64 = 19,233.80/x
  3. Step 3: Cross multiply
    72,541.45x = 108,799.64 × 19,233.80
  4. Step 4: Simplify right side
    72,541.45x = 2,092,630,515.83
  5. Step 5: Solve for x
    x = 2,092,630,515.83/72,541.45
  6. Step 6: Final answer
    x = 28,847.38

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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.