Home / 38,840.88-53,605.32-22,070.64

Finding the Fourth Proportional to 38,840.88, 53,605.32 and 22,070.64

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Solution

The fourth proportional to 38,840.88, 53,605.32 and 22,070.64 is: 30,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.88 : 53,605.32 = 22,070.64 : x
  2. Step 2: Convert to fraction form
    38,840.88/53,605.32 = 22,070.64/x
  3. Step 3: Cross multiply
    38,840.88x = 53,605.32 × 22,070.64
  4. Step 4: Simplify right side
    38,840.88x = 1,183,103,719.80
  5. Step 5: Solve for x
    x = 1,183,103,719.80/38,840.88
  6. Step 6: Final answer
    x = 30,460.27

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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.