Home / 38,574.45-53,233.62-21,577.95

Finding the Fourth Proportional to 38,574.45, 53,233.62 and 21,577.95

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Solution

The fourth proportional to 38,574.45, 53,233.62 and 21,577.95 is: 29,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,574.45 : 53,233.62 = 21,577.95 : x
  2. Step 2: Convert to fraction form
    38,574.45/53,233.62 = 21,577.95/x
  3. Step 3: Cross multiply
    38,574.45x = 53,233.62 × 21,577.95
  4. Step 4: Simplify right side
    38,574.45x = 1,148,672,390.68
  5. Step 5: Solve for x
    x = 1,148,672,390.68/38,574.45
  6. Step 6: Final answer
    x = 29,778.06

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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.