Home / 42,311.60-63,467.40-25,927.60

Finding the Fourth Proportional to 42,311.60, 63,467.40 and 25,927.60

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Solution

The fourth proportional to 42,311.60, 63,467.40 and 25,927.60 is: 38,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,311.60 : 63,467.40 = 25,927.60 : x
  2. Step 2: Convert to fraction form
    42,311.60/63,467.40 = 25,927.60/x
  3. Step 3: Cross multiply
    42,311.60x = 63,467.40 × 25,927.60
  4. Step 4: Simplify right side
    42,311.60x = 1,645,557,360.24
  5. Step 5: Solve for x
    x = 1,645,557,360.24/42,311.60
  6. Step 6: Final answer
    x = 38,891.40

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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.