Home / 32,784.12-45,245.93-18,639.09

Finding the Fourth Proportional to 32,784.12, 45,245.93 and 18,639.09

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Solution

The fourth proportional to 32,784.12, 45,245.93 and 18,639.09 is: 25,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,784.12 : 45,245.93 = 18,639.09 : x
  2. Step 2: Convert to fraction form
    32,784.12/45,245.93 = 18,639.09/x
  3. Step 3: Cross multiply
    32,784.12x = 45,245.93 × 18,639.09
  4. Step 4: Simplify right side
    32,784.12x = 843,342,868.21
  5. Step 5: Solve for x
    x = 843,342,868.21/32,784.12
  6. Step 6: Final answer
    x = 25,724.13

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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.