Home / 34,051.52-46,992-20,625.20

Finding the Fourth Proportional to 34,051.52, 46,992 and 20,625.20

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Solution

The fourth proportional to 34,051.52, 46,992 and 20,625.20 is: 28,463.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,051.52 : 46,992 = 20,625.20 : x
  2. Step 2: Convert to fraction form
    34,051.52/46,992 = 20,625.20/x
  3. Step 3: Cross multiply
    34,051.52x = 46,992 × 20,625.20
  4. Step 4: Simplify right side
    34,051.52x = 969,219,398.40
  5. Step 5: Solve for x
    x = 969,219,398.40/34,051.52
  6. Step 6: Final answer
    x = 28,463.32

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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.