Home / 32,870.96-45,361.05-18,728.36

Finding the Fourth Proportional to 32,870.96, 45,361.05 and 18,728.36

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Solution

The fourth proportional to 32,870.96, 45,361.05 and 18,728.36 is: 25,844.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,870.96 : 45,361.05 = 18,728.36 : x
  2. Step 2: Convert to fraction form
    32,870.96/45,361.05 = 18,728.36/x
  3. Step 3: Cross multiply
    32,870.96x = 45,361.05 × 18,728.36
  4. Step 4: Simplify right side
    32,870.96x = 849,538,074.38
  5. Step 5: Solve for x
    x = 849,538,074.38/32,870.96
  6. Step 6: Final answer
    x = 25,844.64

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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.