Home / 60,900.49-91,327.33-20,912.04

Finding the Fourth Proportional to 60,900.49, 91,327.33 and 20,912.04

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Solution

The fourth proportional to 60,900.49, 91,327.33 and 20,912.04 is: 31,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,900.49 : 91,327.33 = 20,912.04 : x
  2. Step 2: Convert to fraction form
    60,900.49/91,327.33 = 20,912.04/x
  3. Step 3: Cross multiply
    60,900.49x = 91,327.33 × 20,912.04
  4. Step 4: Simplify right side
    60,900.49x = 1,909,840,804.19
  5. Step 5: Solve for x
    x = 1,909,840,804.19/60,900.49
  6. Step 6: Final answer
    x = 31,360.02

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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.