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Finding the Fourth Proportional to 32,451.78, 44,784.04 and 19,032.72

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Solution

The fourth proportional to 32,451.78, 44,784.04 and 19,032.72 is: 26,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.78 : 44,784.04 = 19,032.72 : x
  2. Step 2: Convert to fraction form
    32,451.78/44,784.04 = 19,032.72/x
  3. Step 3: Cross multiply
    32,451.78x = 44,784.04 × 19,032.72
  4. Step 4: Simplify right side
    32,451.78x = 852,361,869.87
  5. Step 5: Solve for x
    x = 852,361,869.87/32,451.78
  6. Step 6: Final answer
    x = 26,265.49

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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.