Home / 29,699.28-40,969.46-18,365.16

Finding the Fourth Proportional to 29,699.28, 40,969.46 and 18,365.16

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Solution

The fourth proportional to 29,699.28, 40,969.46 and 18,365.16 is: 25,334.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,699.28 : 40,969.46 = 18,365.16 : x
  2. Step 2: Convert to fraction form
    29,699.28/40,969.46 = 18,365.16/x
  3. Step 3: Cross multiply
    29,699.28x = 40,969.46 × 18,365.16
  4. Step 4: Simplify right side
    29,699.28x = 752,410,596.19
  5. Step 5: Solve for x
    x = 752,410,596.19/29,699.28
  6. Step 6: Final answer
    x = 25,334.30

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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.