Home / 55,363.24-76,401.25-30,212.74

Finding the Fourth Proportional to 55,363.24, 76,401.25 and 30,212.74

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Solution

The fourth proportional to 55,363.24, 76,401.25 and 30,212.74 is: 41,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,363.24 : 76,401.25 = 30,212.74 : x
  2. Step 2: Convert to fraction form
    55,363.24/76,401.25 = 30,212.74/x
  3. Step 3: Cross multiply
    55,363.24x = 76,401.25 × 30,212.74
  4. Step 4: Simplify right side
    55,363.24x = 2,308,290,835.39
  5. Step 5: Solve for x
    x = 2,308,290,835.39/55,363.24
  6. Step 6: Final answer
    x = 41,693.57

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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.