Home / 41,985.44-57,991.92-30,482

Finding the Fourth Proportional to 41,985.44, 57,991.92 and 30,482

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Solution

The fourth proportional to 41,985.44, 57,991.92 and 30,482 is: 42,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.44 : 57,991.92 = 30,482 : x
  2. Step 2: Convert to fraction form
    41,985.44/57,991.92 = 30,482/x
  3. Step 3: Cross multiply
    41,985.44x = 57,991.92 × 30,482
  4. Step 4: Simplify right side
    41,985.44x = 1,767,709,705.44
  5. Step 5: Solve for x
    x = 1,767,709,705.44/41,985.44
  6. Step 6: Final answer
    x = 42,102.92

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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.