Home / 38,696.30-53,403.66-21,474.32

Finding the Fourth Proportional to 38,696.30, 53,403.66 and 21,474.32

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Solution

The fourth proportional to 38,696.30, 53,403.66 and 21,474.32 is: 29,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696.30 : 53,403.66 = 21,474.32 : x
  2. Step 2: Convert to fraction form
    38,696.30/53,403.66 = 21,474.32/x
  3. Step 3: Cross multiply
    38,696.30x = 53,403.66 × 21,474.32
  4. Step 4: Simplify right side
    38,696.30x = 1,146,807,284.01
  5. Step 5: Solve for x
    x = 1,146,807,284.01/38,696.30
  6. Step 6: Final answer
    x = 29,636.10

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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.