Home / 38,570.98-53,232.88-21,576.16

Finding the Fourth Proportional to 38,570.98, 53,232.88 and 21,576.16

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Solution

The fourth proportional to 38,570.98, 53,232.88 and 21,576.16 is: 29,777.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,570.98 : 53,232.88 = 21,576.16 : x
  2. Step 2: Convert to fraction form
    38,570.98/53,232.88 = 21,576.16/x
  3. Step 3: Cross multiply
    38,570.98x = 53,232.88 × 21,576.16
  4. Step 4: Simplify right side
    38,570.98x = 1,148,561,136.14
  5. Step 5: Solve for x
    x = 1,148,561,136.14/38,570.98
  6. Step 6: Final answer
    x = 29,777.86

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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.