Home / 38,573.15-53,230.67-21,577.32

Finding the Fourth Proportional to 38,573.15, 53,230.67 and 21,577.32

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Solution

The fourth proportional to 38,573.15, 53,230.67 and 21,577.32 is: 29,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,573.15 : 53,230.67 = 21,577.32 : x
  2. Step 2: Convert to fraction form
    38,573.15/53,230.67 = 21,577.32/x
  3. Step 3: Cross multiply
    38,573.15x = 53,230.67 × 21,577.32
  4. Step 4: Simplify right side
    38,573.15x = 1,148,575,173.43
  5. Step 5: Solve for x
    x = 1,148,575,173.43/38,573.15
  6. Step 6: Final answer
    x = 29,776.55

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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.