Home / 38,779.56-53,519.81-22,869.14

Finding the Fourth Proportional to 38,779.56, 53,519.81 and 22,869.14

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Solution

The fourth proportional to 38,779.56, 53,519.81 and 22,869.14 is: 31,561.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.56 : 53,519.81 = 22,869.14 : x
  2. Step 2: Convert to fraction form
    38,779.56/53,519.81 = 22,869.14/x
  3. Step 3: Cross multiply
    38,779.56x = 53,519.81 × 22,869.14
  4. Step 4: Simplify right side
    38,779.56x = 1,223,951,645.72
  5. Step 5: Solve for x
    x = 1,223,951,645.72/38,779.56
  6. Step 6: Final answer
    x = 31,561.77

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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.