Home / 42,589.55-63,813.69-25,899.09

Finding the Fourth Proportional to 42,589.55, 63,813.69 and 25,899.09

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Solution

The fourth proportional to 42,589.55, 63,813.69 and 25,899.09 is: 38,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,589.55 : 63,813.69 = 25,899.09 : x
  2. Step 2: Convert to fraction form
    42,589.55/63,813.69 = 25,899.09/x
  3. Step 3: Cross multiply
    42,589.55x = 63,813.69 × 25,899.09
  4. Step 4: Simplify right side
    42,589.55x = 1,652,716,597.66
  5. Step 5: Solve for x
    x = 1,652,716,597.66/42,589.55
  6. Step 6: Final answer
    x = 38,805.69

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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.