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Finding the Fourth Proportional to 32,455.54, 44,790.74 and 18,308.08

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Solution

The fourth proportional to 32,455.54, 44,790.74 and 18,308.08 is: 25,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.54 : 44,790.74 = 18,308.08 : x
  2. Step 2: Convert to fraction form
    32,455.54/44,790.74 = 18,308.08/x
  3. Step 3: Cross multiply
    32,455.54x = 44,790.74 × 18,308.08
  4. Step 4: Simplify right side
    32,455.54x = 820,032,451.18
  5. Step 5: Solve for x
    x = 820,032,451.18/32,455.54
  6. Step 6: Final answer
    x = 25,266.33

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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.