Home / 55,480.56-76,544.46-31,590.32

Finding the Fourth Proportional to 55,480.56, 76,544.46 and 31,590.32

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Solution

The fourth proportional to 55,480.56, 76,544.46 and 31,590.32 is: 43,583.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.56 : 76,544.46 = 31,590.32 : x
  2. Step 2: Convert to fraction form
    55,480.56/76,544.46 = 31,590.32/x
  3. Step 3: Cross multiply
    55,480.56x = 76,544.46 × 31,590.32
  4. Step 4: Simplify right side
    55,480.56x = 2,418,063,985.63
  5. Step 5: Solve for x
    x = 2,418,063,985.63/55,480.56
  6. Step 6: Final answer
    x = 43,583.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.