Home / 45,164.20-67,746.30-20,216.20

Finding the Fourth Proportional to 45,164.20, 67,746.30 and 20,216.20

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Solution

The fourth proportional to 45,164.20, 67,746.30 and 20,216.20 is: 30,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,164.20 : 67,746.30 = 20,216.20 : x
  2. Step 2: Convert to fraction form
    45,164.20/67,746.30 = 20,216.20/x
  3. Step 3: Cross multiply
    45,164.20x = 67,746.30 × 20,216.20
  4. Step 4: Simplify right side
    45,164.20x = 1,369,572,750.06
  5. Step 5: Solve for x
    x = 1,369,572,750.06/45,164.20
  6. Step 6: Final answer
    x = 30,324.30

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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.