Home / 48,336.45-72,447.08-20,256.45

Finding the Fourth Proportional to 48,336.45, 72,447.08 and 20,256.45

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Solution

The fourth proportional to 48,336.45, 72,447.08 and 20,256.45 is: 30,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,336.45 : 72,447.08 = 20,256.45 : x
  2. Step 2: Convert to fraction form
    48,336.45/72,447.08 = 20,256.45/x
  3. Step 3: Cross multiply
    48,336.45x = 72,447.08 × 20,256.45
  4. Step 4: Simplify right side
    48,336.45x = 1,467,520,552.38
  5. Step 5: Solve for x
    x = 1,467,520,552.38/48,336.45
  6. Step 6: Final answer
    x = 30,360.54

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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.