Home / 55,408.16-76,462.08-30,257.76

Finding the Fourth Proportional to 55,408.16, 76,462.08 and 30,257.76

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Solution

The fourth proportional to 55,408.16, 76,462.08 and 30,257.76 is: 41,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,408.16 : 76,462.08 = 30,257.76 : x
  2. Step 2: Convert to fraction form
    55,408.16/76,462.08 = 30,257.76/x
  3. Step 3: Cross multiply
    55,408.16x = 76,462.08 × 30,257.76
  4. Step 4: Simplify right side
    55,408.16x = 2,313,571,265.74
  5. Step 5: Solve for x
    x = 2,313,571,265.74/55,408.16
  6. Step 6: Final answer
    x = 41,755.06

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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.