Home / 55,520.02-83,146.58-31,755.54

Finding the Fourth Proportional to 55,520.02, 83,146.58 and 31,755.54

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Solution

The fourth proportional to 55,520.02, 83,146.58 and 31,755.54 is: 47,556.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,520.02 : 83,146.58 = 31,755.54 : x
  2. Step 2: Convert to fraction form
    55,520.02/83,146.58 = 31,755.54/x
  3. Step 3: Cross multiply
    55,520.02x = 83,146.58 × 31,755.54
  4. Step 4: Simplify right side
    55,520.02x = 2,640,364,388.28
  5. Step 5: Solve for x
    x = 2,640,364,388.28/55,520.02
  6. Step 6: Final answer
    x = 47,556.98

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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.