Home / 30,635.04-42,278.58-17,207.10

Finding the Fourth Proportional to 30,635.04, 42,278.58 and 17,207.10

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Solution

The fourth proportional to 30,635.04, 42,278.58 and 17,207.10 is: 23,747.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,635.04 : 42,278.58 = 17,207.10 : x
  2. Step 2: Convert to fraction form
    30,635.04/42,278.58 = 17,207.10/x
  3. Step 3: Cross multiply
    30,635.04x = 42,278.58 × 17,207.10
  4. Step 4: Simplify right side
    30,635.04x = 727,491,753.92
  5. Step 5: Solve for x
    x = 727,491,753.92/30,635.04
  6. Step 6: Final answer
    x = 23,747.05

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Half scale
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Double scale
Find fourth proportional to 30,636.04, 42,279.96 and 17,208.10
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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.