Home / 55,355.13-76,390.96-30,204.63

Finding the Fourth Proportional to 55,355.13, 76,390.96 and 30,204.63

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Solution

The fourth proportional to 55,355.13, 76,390.96 and 30,204.63 is: 41,682.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,355.13 : 76,390.96 = 30,204.63 : x
  2. Step 2: Convert to fraction form
    55,355.13/76,390.96 = 30,204.63/x
  3. Step 3: Cross multiply
    55,355.13x = 76,390.96 × 30,204.63
  4. Step 4: Simplify right side
    55,355.13x = 2,307,360,682.14
  5. Step 5: Solve for x
    x = 2,307,360,682.14/55,355.13
  6. Step 6: Final answer
    x = 41,682.87

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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.