Home / 38,339.98-52,896.96-21,569.74

Finding the Fourth Proportional to 38,339.98, 52,896.96 and 21,569.74

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Solution

The fourth proportional to 38,339.98, 52,896.96 and 21,569.74 is: 29,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.98 : 52,896.96 = 21,569.74 : x
  2. Step 2: Convert to fraction form
    38,339.98/52,896.96 = 21,569.74/x
  3. Step 3: Cross multiply
    38,339.98x = 52,896.96 × 21,569.74
  4. Step 4: Simplify right side
    38,339.98x = 1,140,973,673.99
  5. Step 5: Solve for x
    x = 1,140,973,673.99/38,339.98
  6. Step 6: Final answer
    x = 29,759.37

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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.