Home / 31,051.36-46,577.45-13,520.53

Finding the Fourth Proportional to 31,051.36, 46,577.45 and 13,520.53

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Solution

The fourth proportional to 31,051.36, 46,577.45 and 13,520.53 is: 20,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,051.36 : 46,577.45 = 13,520.53 : x
  2. Step 2: Convert to fraction form
    31,051.36/46,577.45 = 13,520.53/x
  3. Step 3: Cross multiply
    31,051.36x = 46,577.45 × 13,520.53
  4. Step 4: Simplify right side
    31,051.36x = 629,751,810.05
  5. Step 5: Solve for x
    x = 629,751,810.05/31,051.36
  6. Step 6: Final answer
    x = 20,280.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.