Home / 52,261.70-72,121.22-28,388.37

Finding the Fourth Proportional to 52,261.70, 72,121.22 and 28,388.37

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Solution

The fourth proportional to 52,261.70, 72,121.22 and 28,388.37 is: 39,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,261.70 : 72,121.22 = 28,388.37 : x
  2. Step 2: Convert to fraction form
    52,261.70/72,121.22 = 28,388.37/x
  3. Step 3: Cross multiply
    52,261.70x = 72,121.22 × 28,388.37
  4. Step 4: Simplify right side
    52,261.70x = 2,047,403,878.21
  5. Step 5: Solve for x
    x = 2,047,403,878.21/52,261.70
  6. Step 6: Final answer
    x = 39,175.99

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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.