Home / 55,236.96-76,224.08-31,363.04

Finding the Fourth Proportional to 55,236.96, 76,224.08 and 31,363.04

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Solution

The fourth proportional to 55,236.96, 76,224.08 and 31,363.04 is: 43,279.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,236.96 : 76,224.08 = 31,363.04 : x
  2. Step 2: Convert to fraction form
    55,236.96/76,224.08 = 31,363.04/x
  3. Step 3: Cross multiply
    55,236.96x = 76,224.08 × 31,363.04
  4. Step 4: Simplify right side
    55,236.96x = 2,390,618,870.00
  5. Step 5: Solve for x
    x = 2,390,618,870.00/55,236.96
  6. Step 6: Final answer
    x = 43,279.33

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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.