Home / 55,389.36-76,441.68-31,517.04

Finding the Fourth Proportional to 55,389.36, 76,441.68 and 31,517.04

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Solution

The fourth proportional to 55,389.36, 76,441.68 and 31,517.04 is: 43,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.36 : 76,441.68 = 31,517.04 : x
  2. Step 2: Convert to fraction form
    55,389.36/76,441.68 = 31,517.04/x
  3. Step 3: Cross multiply
    55,389.36x = 76,441.68 × 31,517.04
  4. Step 4: Simplify right side
    55,389.36x = 2,409,215,486.23
  5. Step 5: Solve for x
    x = 2,409,215,486.23/55,389.36
  6. Step 6: Final answer
    x = 43,496.00

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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.