Home / 38,896.08-53,675.56-22,128.08

Finding the Fourth Proportional to 38,896.08, 53,675.56 and 22,128.08

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Solution

The fourth proportional to 38,896.08, 53,675.56 and 22,128.08 is: 30,536.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896.08 : 53,675.56 = 22,128.08 : x
  2. Step 2: Convert to fraction form
    38,896.08/53,675.56 = 22,128.08/x
  3. Step 3: Cross multiply
    38,896.08x = 53,675.56 × 22,128.08
  4. Step 4: Simplify right side
    38,896.08x = 1,187,737,085.72
  5. Step 5: Solve for x
    x = 1,187,737,085.72/38,896.08
  6. Step 6: Final answer
    x = 30,536.16

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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.