Home / 30,484.14-42,069.16-17,055.96

Finding the Fourth Proportional to 30,484.14, 42,069.16 and 17,055.96

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Solution

The fourth proportional to 30,484.14, 42,069.16 and 17,055.96 is: 23,537.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,484.14 : 42,069.16 = 17,055.96 : x
  2. Step 2: Convert to fraction form
    30,484.14/42,069.16 = 17,055.96/x
  3. Step 3: Cross multiply
    30,484.14x = 42,069.16 × 17,055.96
  4. Step 4: Simplify right side
    30,484.14x = 717,529,910.19
  5. Step 5: Solve for x
    x = 717,529,910.19/30,484.14
  6. Step 6: Final answer
    x = 23,537.81

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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.