Home / 38,119.58-52,605.32-21,124.10

Finding the Fourth Proportional to 38,119.58, 52,605.32 and 21,124.10

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Solution

The fourth proportional to 38,119.58, 52,605.32 and 21,124.10 is: 29,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,119.58 : 52,605.32 = 21,124.10 : x
  2. Step 2: Convert to fraction form
    38,119.58/52,605.32 = 21,124.10/x
  3. Step 3: Cross multiply
    38,119.58x = 52,605.32 × 21,124.10
  4. Step 4: Simplify right side
    38,119.58x = 1,111,240,224.54
  5. Step 5: Solve for x
    x = 1,111,240,224.54/38,119.58
  6. Step 6: Final answer
    x = 29,151.43

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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.