Home / 40,330.08-60,507.43-20,622.48

Finding the Fourth Proportional to 40,330.08, 60,507.43 and 20,622.48

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Solution

The fourth proportional to 40,330.08, 60,507.43 and 20,622.48 is: 30,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.08 : 60,507.43 = 20,622.48 : x
  2. Step 2: Convert to fraction form
    40,330.08/60,507.43 = 20,622.48/x
  3. Step 3: Cross multiply
    40,330.08x = 60,507.43 × 20,622.48
  4. Step 4: Simplify right side
    40,330.08x = 1,247,813,213.47
  5. Step 5: Solve for x
    x = 1,247,813,213.47/40,330.08
  6. Step 6: Final answer
    x = 30,940.01

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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.