Home / 38,326.09-52,889.95-21,559.09

Finding the Fourth Proportional to 38,326.09, 52,889.95 and 21,559.09

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Solution

The fourth proportional to 38,326.09, 52,889.95 and 21,559.09 is: 29,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,326.09 : 52,889.95 = 21,559.09 : x
  2. Step 2: Convert to fraction form
    38,326.09/52,889.95 = 21,559.09/x
  3. Step 3: Cross multiply
    38,326.09x = 52,889.95 × 21,559.09
  4. Step 4: Simplify right side
    38,326.09x = 1,140,259,192.15
  5. Step 5: Solve for x
    x = 1,140,259,192.15/38,326.09
  6. Step 6: Final answer
    x = 29,751.51

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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.