Home / 30,864.04-42,592.54-16,716.92

Finding the Fourth Proportional to 30,864.04, 42,592.54 and 16,716.92

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Solution

The fourth proportional to 30,864.04, 42,592.54 and 16,716.92 is: 23,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,864.04 : 42,592.54 = 16,716.92 : x
  2. Step 2: Convert to fraction form
    30,864.04/42,592.54 = 16,716.92/x
  3. Step 3: Cross multiply
    30,864.04x = 42,592.54 × 16,716.92
  4. Step 4: Simplify right side
    30,864.04x = 712,016,083.78
  5. Step 5: Solve for x
    x = 712,016,083.78/30,864.04
  6. Step 6: Final answer
    x = 23,069.44

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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.