Home / 38,575.88-53,233.26-21,809.24

Finding the Fourth Proportional to 38,575.88, 53,233.26 and 21,809.24

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Solution

The fourth proportional to 38,575.88, 53,233.26 and 21,809.24 is: 30,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.88 : 53,233.26 = 21,809.24 : x
  2. Step 2: Convert to fraction form
    38,575.88/53,233.26 = 21,809.24/x
  3. Step 3: Cross multiply
    38,575.88x = 53,233.26 × 21,809.24
  4. Step 4: Simplify right side
    38,575.88x = 1,160,976,943.32
  5. Step 5: Solve for x
    x = 1,160,976,943.32/38,575.88
  6. Step 6: Final answer
    x = 30,095.93

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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.