Home / 38,039.68-52,493.72-21,043.45

Finding the Fourth Proportional to 38,039.68, 52,493.72 and 21,043.45

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Solution

The fourth proportional to 38,039.68, 52,493.72 and 21,043.45 is: 29,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.68 : 52,493.72 = 21,043.45 : x
  2. Step 2: Convert to fraction form
    38,039.68/52,493.72 = 21,043.45/x
  3. Step 3: Cross multiply
    38,039.68x = 52,493.72 × 21,043.45
  4. Step 4: Simplify right side
    38,039.68x = 1,104,648,972.13
  5. Step 5: Solve for x
    x = 1,104,648,972.13/38,039.68
  6. Step 6: Final answer
    x = 29,039.39

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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.