Home / 38,351.20-52,923.36-21,580.96

Finding the Fourth Proportional to 38,351.20, 52,923.36 and 21,580.96

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Solution

The fourth proportional to 38,351.20, 52,923.36 and 21,580.96 is: 29,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.20 : 52,923.36 = 21,580.96 : x
  2. Step 2: Convert to fraction form
    38,351.20/52,923.36 = 21,580.96/x
  3. Step 3: Cross multiply
    38,351.20x = 52,923.36 × 21,580.96
  4. Step 4: Simplify right side
    38,351.20x = 1,142,136,915.23
  5. Step 5: Solve for x
    x = 1,142,136,915.23/38,351.20
  6. Step 6: Final answer
    x = 29,781.00

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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.