Home / 38,941.53-53,739.33-21,036.53

Finding the Fourth Proportional to 38,941.53, 53,739.33 and 21,036.53

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Solution

The fourth proportional to 38,941.53, 53,739.33 and 21,036.53 is: 29,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,941.53 : 53,739.33 = 21,036.53 : x
  2. Step 2: Convert to fraction form
    38,941.53/53,739.33 = 21,036.53/x
  3. Step 3: Cross multiply
    38,941.53x = 53,739.33 × 21,036.53
  4. Step 4: Simplify right side
    38,941.53x = 1,130,489,027.72
  5. Step 5: Solve for x
    x = 1,130,489,027.72/38,941.53
  6. Step 6: Final answer
    x = 29,030.42

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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.