Home / 56,381.83-84,569.74-18,942.19

Finding the Fourth Proportional to 56,381.83, 84,569.74 and 18,942.19

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Solution

The fourth proportional to 56,381.83, 84,569.74 and 18,942.19 is: 28,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,381.83 : 84,569.74 = 18,942.19 : x
  2. Step 2: Convert to fraction form
    56,381.83/84,569.74 = 18,942.19/x
  3. Step 3: Cross multiply
    56,381.83x = 84,569.74 × 18,942.19
  4. Step 4: Simplify right side
    56,381.83x = 1,601,936,083.33
  5. Step 5: Solve for x
    x = 1,601,936,083.33/56,381.83
  6. Step 6: Final answer
    x = 28,412.28

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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.