Home / 38,368.37-52,948.05-21,372.42

Finding the Fourth Proportional to 38,368.37, 52,948.05 and 21,372.42

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Solution

The fourth proportional to 38,368.37, 52,948.05 and 21,372.42 is: 29,493.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,368.37 : 52,948.05 = 21,372.42 : x
  2. Step 2: Convert to fraction form
    38,368.37/52,948.05 = 21,372.42/x
  3. Step 3: Cross multiply
    38,368.37x = 52,948.05 × 21,372.42
  4. Step 4: Simplify right side
    38,368.37x = 1,131,628,081.19
  5. Step 5: Solve for x
    x = 1,131,628,081.19/38,368.37
  6. Step 6: Final answer
    x = 29,493.78

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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.