Home / 30,801.63-42,506.19-16,654.44

Finding the Fourth Proportional to 30,801.63, 42,506.19 and 16,654.44

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Solution

The fourth proportional to 30,801.63, 42,506.19 and 16,654.44 is: 22,983.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.63 : 42,506.19 = 16,654.44 : x
  2. Step 2: Convert to fraction form
    30,801.63/42,506.19 = 16,654.44/x
  3. Step 3: Cross multiply
    30,801.63x = 42,506.19 × 16,654.44
  4. Step 4: Simplify right side
    30,801.63x = 707,916,790.98
  5. Step 5: Solve for x
    x = 707,916,790.98/30,801.63
  6. Step 6: Final answer
    x = 22,983.10

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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.