Home / 30,533.01-42,135.33-17,104.38

Finding the Fourth Proportional to 30,533.01, 42,135.33 and 17,104.38

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Solution

The fourth proportional to 30,533.01, 42,135.33 and 17,104.38 is: 23,603.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,533.01 : 42,135.33 = 17,104.38 : x
  2. Step 2: Convert to fraction form
    30,533.01/42,135.33 = 17,104.38/x
  3. Step 3: Cross multiply
    30,533.01x = 42,135.33 × 17,104.38
  4. Step 4: Simplify right side
    30,533.01x = 720,698,695.75
  5. Step 5: Solve for x
    x = 720,698,695.75/30,533.01
  6. Step 6: Final answer
    x = 23,603.92

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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.