Home / 51,647.20-77,291.60-30,885.60

Finding the Fourth Proportional to 51,647.20, 77,291.60 and 30,885.60

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Solution

The fourth proportional to 51,647.20, 77,291.60 and 30,885.60 is: 46,221.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,647.20 : 77,291.60 = 30,885.60 : x
  2. Step 2: Convert to fraction form
    51,647.20/77,291.60 = 30,885.60/x
  3. Step 3: Cross multiply
    51,647.20x = 77,291.60 × 30,885.60
  4. Step 4: Simplify right side
    51,647.20x = 2,387,197,440.96
  5. Step 5: Solve for x
    x = 2,387,197,440.96/51,647.20
  6. Step 6: Final answer
    x = 46,221.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.