Home / 38,268.82-52,811.60-21,041.91

Finding the Fourth Proportional to 38,268.82, 52,811.60 and 21,041.91

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Solution

The fourth proportional to 38,268.82, 52,811.60 and 21,041.91 is: 29,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.82 : 52,811.60 = 21,041.91 : x
  2. Step 2: Convert to fraction form
    38,268.82/52,811.60 = 21,041.91/x
  3. Step 3: Cross multiply
    38,268.82x = 52,811.60 × 21,041.91
  4. Step 4: Simplify right side
    38,268.82x = 1,111,256,828.95
  5. Step 5: Solve for x
    x = 1,111,256,828.95/38,268.82
  6. Step 6: Final answer
    x = 29,038.18

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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.