Home / 38,039.67-52,490.69-21,041.21

Finding the Fourth Proportional to 38,039.67, 52,490.69 and 21,041.21

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Solution

The fourth proportional to 38,039.67, 52,490.69 and 21,041.21 is: 29,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,039.67 : 52,490.69 = 21,041.21 : x
  2. Step 2: Convert to fraction form
    38,039.67/52,490.69 = 21,041.21/x
  3. Step 3: Cross multiply
    38,039.67x = 52,490.69 × 21,041.21
  4. Step 4: Simplify right side
    38,039.67x = 1,104,467,263.68
  5. Step 5: Solve for x
    x = 1,104,467,263.68/38,039.67
  6. Step 6: Final answer
    x = 29,034.62

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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.