Home / 35,369.87-48,817.36-20,272.65

Finding the Fourth Proportional to 35,369.87, 48,817.36 and 20,272.65

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Solution

The fourth proportional to 35,369.87, 48,817.36 and 20,272.65 is: 27,980.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,369.87 : 48,817.36 = 20,272.65 : x
  2. Step 2: Convert to fraction form
    35,369.87/48,817.36 = 20,272.65/x
  3. Step 3: Cross multiply
    35,369.87x = 48,817.36 × 20,272.65
  4. Step 4: Simplify right side
    35,369.87x = 989,657,514.50
  5. Step 5: Solve for x
    x = 989,657,514.50/35,369.87
  6. Step 6: Final answer
    x = 27,980.24

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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.