Home / 55,440.32-76,517.04-31,563.68

Finding the Fourth Proportional to 55,440.32, 76,517.04 and 31,563.68

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Solution

The fourth proportional to 55,440.32, 76,517.04 and 31,563.68 is: 43,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.32 : 76,517.04 = 31,563.68 : x
  2. Step 2: Convert to fraction form
    55,440.32/76,517.04 = 31,563.68/x
  3. Step 3: Cross multiply
    55,440.32x = 76,517.04 × 31,563.68
  4. Step 4: Simplify right side
    55,440.32x = 2,415,159,365.11
  5. Step 5: Solve for x
    x = 2,415,159,365.11/55,440.32
  6. Step 6: Final answer
    x = 43,563.23

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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.