Home / 38,800.62-53,549.28-21,804.84

Finding the Fourth Proportional to 38,800.62, 53,549.28 and 21,804.84

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Solution

The fourth proportional to 38,800.62, 53,549.28 and 21,804.84 is: 30,093.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,800.62 : 53,549.28 = 21,804.84 : x
  2. Step 2: Convert to fraction form
    38,800.62/53,549.28 = 21,804.84/x
  3. Step 3: Cross multiply
    38,800.62x = 53,549.28 × 21,804.84
  4. Step 4: Simplify right side
    38,800.62x = 1,167,633,482.52
  5. Step 5: Solve for x
    x = 1,167,633,482.52/38,800.62
  6. Step 6: Final answer
    x = 30,093.17

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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.