Home / 38,190.94-52,701.93-21,195.89

Finding the Fourth Proportional to 38,190.94, 52,701.93 and 21,195.89

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Solution

The fourth proportional to 38,190.94, 52,701.93 and 21,195.89 is: 29,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.94 : 52,701.93 = 21,195.89 : x
  2. Step 2: Convert to fraction form
    38,190.94/52,701.93 = 21,195.89/x
  3. Step 3: Cross multiply
    38,190.94x = 52,701.93 × 21,195.89
  4. Step 4: Simplify right side
    38,190.94x = 1,117,064,311.07
  5. Step 5: Solve for x
    x = 1,117,064,311.07/38,190.94
  6. Step 6: Final answer
    x = 29,249.46

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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.