Home / 40,662.09-60,984.92-21,938.63

Finding the Fourth Proportional to 40,662.09, 60,984.92 and 21,938.63

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Solution

The fourth proportional to 40,662.09, 60,984.92 and 21,938.63 is: 32,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,662.09 : 60,984.92 = 21,938.63 : x
  2. Step 2: Convert to fraction form
    40,662.09/60,984.92 = 21,938.63/x
  3. Step 3: Cross multiply
    40,662.09x = 60,984.92 × 21,938.63
  4. Step 4: Simplify right side
    40,662.09x = 1,337,925,180.84
  5. Step 5: Solve for x
    x = 1,337,925,180.84/40,662.09
  6. Step 6: Final answer
    x = 32,903.50

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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.