Home / 38,370.72-52,954.03-21,604.80

Finding the Fourth Proportional to 38,370.72, 52,954.03 and 21,604.80

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Solution

The fourth proportional to 38,370.72, 52,954.03 and 21,604.80 is: 29,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.72 : 52,954.03 = 21,604.80 : x
  2. Step 2: Convert to fraction form
    38,370.72/52,954.03 = 21,604.80/x
  3. Step 3: Cross multiply
    38,370.72x = 52,954.03 × 21,604.80
  4. Step 4: Simplify right side
    38,370.72x = 1,144,061,227.34
  5. Step 5: Solve for x
    x = 1,144,061,227.34/38,370.72
  6. Step 6: Final answer
    x = 29,816.00

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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.