Home / 56,939.22-85,412.93-21,878.87

Finding the Fourth Proportional to 56,939.22, 85,412.93 and 21,878.87

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Solution

The fourth proportional to 56,939.22, 85,412.93 and 21,878.87 is: 32,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,939.22 : 85,412.93 = 21,878.87 : x
  2. Step 2: Convert to fraction form
    56,939.22/85,412.93 = 21,878.87/x
  3. Step 3: Cross multiply
    56,939.22x = 85,412.93 × 21,878.87
  4. Step 4: Simplify right side
    56,939.22x = 1,868,737,855.33
  5. Step 5: Solve for x
    x = 1,868,737,855.33/56,939.22
  6. Step 6: Final answer
    x = 32,819.87

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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.