Home / 56,933.80-85,400.70-21,874.30

Finding the Fourth Proportional to 56,933.80, 85,400.70 and 21,874.30

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Solution

The fourth proportional to 56,933.80, 85,400.70 and 21,874.30 is: 32,811.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,933.80 : 85,400.70 = 21,874.30 : x
  2. Step 2: Convert to fraction form
    56,933.80/85,400.70 = 21,874.30/x
  3. Step 3: Cross multiply
    56,933.80x = 85,400.70 × 21,874.30
  4. Step 4: Simplify right side
    56,933.80x = 1,868,080,532.01
  5. Step 5: Solve for x
    x = 1,868,080,532.01/56,933.80
  6. Step 6: Final answer
    x = 32,811.45

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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.