Home / 50,133.60-69,190.56-29,990.40

Finding the Fourth Proportional to 50,133.60, 69,190.56 and 29,990.40

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Solution

The fourth proportional to 50,133.60, 69,190.56 and 29,990.40 is: 41,390.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,133.60 : 69,190.56 = 29,990.40 : x
  2. Step 2: Convert to fraction form
    50,133.60/69,190.56 = 29,990.40/x
  3. Step 3: Cross multiply
    50,133.60x = 69,190.56 × 29,990.40
  4. Step 4: Simplify right side
    50,133.60x = 2,075,052,570.62
  5. Step 5: Solve for x
    x = 2,075,052,570.62/50,133.60
  6. Step 6: Final answer
    x = 41,390.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.