Home / 38,788.91-53,525.54-21,792.23

Finding the Fourth Proportional to 38,788.91, 53,525.54 and 21,792.23

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Solution

The fourth proportional to 38,788.91, 53,525.54 and 21,792.23 is: 30,071.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,788.91 : 53,525.54 = 21,792.23 : x
  2. Step 2: Convert to fraction form
    38,788.91/53,525.54 = 21,792.23/x
  3. Step 3: Cross multiply
    38,788.91x = 53,525.54 × 21,792.23
  4. Step 4: Simplify right side
    38,788.91x = 1,166,440,501.97
  5. Step 5: Solve for x
    x = 1,166,440,501.97/38,788.91
  6. Step 6: Final answer
    x = 30,071.50

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Double scale
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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.