Home / 30,454.48-42,027.03-17,025.64

Finding the Fourth Proportional to 30,454.48, 42,027.03 and 17,025.64

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Solution

The fourth proportional to 30,454.48, 42,027.03 and 17,025.64 is: 23,495.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,454.48 : 42,027.03 = 17,025.64 : x
  2. Step 2: Convert to fraction form
    30,454.48/42,027.03 = 17,025.64/x
  3. Step 3: Cross multiply
    30,454.48x = 42,027.03 × 17,025.64
  4. Step 4: Simplify right side
    30,454.48x = 715,536,977.98
  5. Step 5: Solve for x
    x = 715,536,977.98/30,454.48
  6. Step 6: Final answer
    x = 23,495.29

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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.