Home / 60,630.21-90,889.05-30,982.68

Finding the Fourth Proportional to 60,630.21, 90,889.05 and 30,982.68

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Solution

The fourth proportional to 60,630.21, 90,889.05 and 30,982.68 is: 46,445.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,630.21 : 90,889.05 = 30,982.68 : x
  2. Step 2: Convert to fraction form
    60,630.21/90,889.05 = 30,982.68/x
  3. Step 3: Cross multiply
    60,630.21x = 90,889.05 × 30,982.68
  4. Step 4: Simplify right side
    60,630.21x = 2,815,986,351.65
  5. Step 5: Solve for x
    x = 2,815,986,351.65/60,630.21
  6. Step 6: Final answer
    x = 46,445.27

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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.