Home / 38,109.74-52,586.45-21,977.64

Finding the Fourth Proportional to 38,109.74, 52,586.45 and 21,977.64

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Solution

The fourth proportional to 38,109.74, 52,586.45 and 21,977.64 is: 30,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,109.74 : 52,586.45 = 21,977.64 : x
  2. Step 2: Convert to fraction form
    38,109.74/52,586.45 = 21,977.64/x
  3. Step 3: Cross multiply
    38,109.74x = 52,586.45 × 21,977.64
  4. Step 4: Simplify right side
    38,109.74x = 1,155,726,039.51
  5. Step 5: Solve for x
    x = 1,155,726,039.51/38,109.74
  6. Step 6: Final answer
    x = 30,326.27

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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.