Home / 55,778.34-76,974.15-30,284.67

Finding the Fourth Proportional to 55,778.34, 76,974.15 and 30,284.67

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Solution

The fourth proportional to 55,778.34, 76,974.15 and 30,284.67 is: 41,792.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,778.34 : 76,974.15 = 30,284.67 : x
  2. Step 2: Convert to fraction form
    55,778.34/76,974.15 = 30,284.67/x
  3. Step 3: Cross multiply
    55,778.34x = 76,974.15 × 30,284.67
  4. Step 4: Simplify right side
    55,778.34x = 2,331,136,731.28
  5. Step 5: Solve for x
    x = 2,331,136,731.28/55,778.34
  6. Step 6: Final answer
    x = 41,792.87

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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.