Home / 30,654.98-42,303.84-17,916.92

Finding the Fourth Proportional to 30,654.98, 42,303.84 and 17,916.92

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Solution

The fourth proportional to 30,654.98, 42,303.84 and 17,916.92 is: 24,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.98 : 42,303.84 = 17,916.92 : x
  2. Step 2: Convert to fraction form
    30,654.98/42,303.84 = 17,916.92/x
  3. Step 3: Cross multiply
    30,654.98x = 42,303.84 × 17,916.92
  4. Step 4: Simplify right side
    30,654.98x = 757,954,516.97
  5. Step 5: Solve for x
    x = 757,954,516.97/30,654.98
  6. Step 6: Final answer
    x = 24,725.33

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Double scale
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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.