Home / 38,801.04-53,546.51-21,806.84

Finding the Fourth Proportional to 38,801.04, 53,546.51 and 21,806.84

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Solution

The fourth proportional to 38,801.04, 53,546.51 and 21,806.84 is: 30,094.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,801.04 : 53,546.51 = 21,806.84 : x
  2. Step 2: Convert to fraction form
    38,801.04/53,546.51 = 21,806.84/x
  3. Step 3: Cross multiply
    38,801.04x = 53,546.51 × 21,806.84
  4. Step 4: Simplify right side
    38,801.04x = 1,167,679,991.50
  5. Step 5: Solve for x
    x = 1,167,679,991.50/38,801.04
  6. Step 6: Final answer
    x = 30,094.04

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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.