Home / 55,627.70-76,766.22-30,477.20

Finding the Fourth Proportional to 55,627.70, 76,766.22 and 30,477.20

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Solution

The fourth proportional to 55,627.70, 76,766.22 and 30,477.20 is: 42,058.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.70 : 76,766.22 = 30,477.20 : x
  2. Step 2: Convert to fraction form
    55,627.70/76,766.22 = 30,477.20/x
  3. Step 3: Cross multiply
    55,627.70x = 76,766.22 × 30,477.20
  4. Step 4: Simplify right side
    55,627.70x = 2,339,619,056.35
  5. Step 5: Solve for x
    x = 2,339,619,056.35/55,627.70
  6. Step 6: Final answer
    x = 42,058.53

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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.