Home / 45,825.40-63,239.70-27,921.16

Finding the Fourth Proportional to 45,825.40, 63,239.70 and 27,921.16

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Solution

The fourth proportional to 45,825.40, 63,239.70 and 27,921.16 is: 38,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,825.40 : 63,239.70 = 27,921.16 : x
  2. Step 2: Convert to fraction form
    45,825.40/63,239.70 = 27,921.16/x
  3. Step 3: Cross multiply
    45,825.40x = 63,239.70 × 27,921.16
  4. Step 4: Simplify right side
    45,825.40x = 1,765,725,782.05
  5. Step 5: Solve for x
    x = 1,765,725,782.05/45,825.40
  6. Step 6: Final answer
    x = 38,531.60

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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.