Home / 38,554.24-53,204.16-21,786.88

Finding the Fourth Proportional to 38,554.24, 53,204.16 and 21,786.88

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Solution

The fourth proportional to 38,554.24, 53,204.16 and 21,786.88 is: 30,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,554.24 : 53,204.16 = 21,786.88 : x
  2. Step 2: Convert to fraction form
    38,554.24/53,204.16 = 21,786.88/x
  3. Step 3: Cross multiply
    38,554.24x = 53,204.16 × 21,786.88
  4. Step 4: Simplify right side
    38,554.24x = 1,159,152,649.42
  5. Step 5: Solve for x
    x = 1,159,152,649.42/38,554.24
  6. Step 6: Final answer
    x = 30,065.50

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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.