Home / 37,439.01-51,661.80-21,525.75

Finding the Fourth Proportional to 37,439.01, 51,661.80 and 21,525.75

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Solution

The fourth proportional to 37,439.01, 51,661.80 and 21,525.75 is: 29,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,439.01 : 51,661.80 = 21,525.75 : x
  2. Step 2: Convert to fraction form
    37,439.01/51,661.80 = 21,525.75/x
  3. Step 3: Cross multiply
    37,439.01x = 51,661.80 × 21,525.75
  4. Step 4: Simplify right side
    37,439.01x = 1,112,058,991.35
  5. Step 5: Solve for x
    x = 1,112,058,991.35/37,439.01
  6. Step 6: Final answer
    x = 29,703.22

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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.