Home / 51,220.18-76,780.37-23,147.30

Finding the Fourth Proportional to 51,220.18, 76,780.37 and 23,147.30

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Solution

The fourth proportional to 51,220.18, 76,780.37 and 23,147.30 is: 34,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220.18 : 76,780.37 = 23,147.30 : x
  2. Step 2: Convert to fraction form
    51,220.18/76,780.37 = 23,147.30/x
  3. Step 3: Cross multiply
    51,220.18x = 76,780.37 × 23,147.30
  4. Step 4: Simplify right side
    51,220.18x = 1,777,258,258.50
  5. Step 5: Solve for x
    x = 1,777,258,258.50/51,220.18
  6. Step 6: Final answer
    x = 34,698.40

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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.