Home / 47,205.20-70,805.46-17,620.76

Finding the Fourth Proportional to 47,205.20, 70,805.46 and 17,620.76

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Solution

The fourth proportional to 47,205.20, 70,805.46 and 17,620.76 is: 26,430.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,205.20 : 70,805.46 = 17,620.76 : x
  2. Step 2: Convert to fraction form
    47,205.20/70,805.46 = 17,620.76/x
  3. Step 3: Cross multiply
    47,205.20x = 70,805.46 × 17,620.76
  4. Step 4: Simplify right side
    47,205.20x = 1,247,646,017.35
  5. Step 5: Solve for x
    x = 1,247,646,017.35/47,205.20
  6. Step 6: Final answer
    x = 26,430.27

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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.