Home / 38,799.23-53,538.94-21,800.77

Finding the Fourth Proportional to 38,799.23, 53,538.94 and 21,800.77

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Solution

The fourth proportional to 38,799.23, 53,538.94 and 21,800.77 is: 30,082.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,799.23 : 53,538.94 = 21,800.77 : x
  2. Step 2: Convert to fraction form
    38,799.23/53,538.94 = 21,800.77/x
  3. Step 3: Cross multiply
    38,799.23x = 53,538.94 × 21,800.77
  4. Step 4: Simplify right side
    38,799.23x = 1,167,189,928.63
  5. Step 5: Solve for x
    x = 1,167,189,928.63/38,799.23
  6. Step 6: Final answer
    x = 30,082.82

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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.