Home / 38,297.50-52,850.55-21,530.62

Finding the Fourth Proportional to 38,297.50, 52,850.55 and 21,530.62

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Solution

The fourth proportional to 38,297.50, 52,850.55 and 21,530.62 is: 29,712.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,297.50 : 52,850.55 = 21,530.62 : x
  2. Step 2: Convert to fraction form
    38,297.50/52,850.55 = 21,530.62/x
  3. Step 3: Cross multiply
    38,297.50x = 52,850.55 × 21,530.62
  4. Step 4: Simplify right side
    38,297.50x = 1,137,905,108.84
  5. Step 5: Solve for x
    x = 1,137,905,108.84/38,297.50
  6. Step 6: Final answer
    x = 29,712.26

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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.