Home / 55,305.11-76,303-32,636.45

Finding the Fourth Proportional to 55,305.11, 76,303 and 32,636.45

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Solution

The fourth proportional to 55,305.11, 76,303 and 32,636.45 is: 45,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.11 : 76,303 = 32,636.45 : x
  2. Step 2: Convert to fraction form
    55,305.11/76,303 = 32,636.45/x
  3. Step 3: Cross multiply
    55,305.11x = 76,303 × 32,636.45
  4. Step 4: Simplify right side
    55,305.11x = 2,490,259,044.35
  5. Step 5: Solve for x
    x = 2,490,259,044.35/55,305.11
  6. Step 6: Final answer
    x = 45,027.65

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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.