Home / 38,590.69-53,258.01-21,596.63

Finding the Fourth Proportional to 38,590.69, 53,258.01 and 21,596.63

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Solution

The fourth proportional to 38,590.69, 53,258.01 and 21,596.63 is: 29,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,590.69 : 53,258.01 = 21,596.63 : x
  2. Step 2: Convert to fraction form
    38,590.69/53,258.01 = 21,596.63/x
  3. Step 3: Cross multiply
    38,590.69x = 53,258.01 × 21,596.63
  4. Step 4: Simplify right side
    38,590.69x = 1,150,193,428.52
  5. Step 5: Solve for x
    x = 1,150,193,428.52/38,590.69
  6. Step 6: Final answer
    x = 29,804.95

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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.