Home / 38,771.57-53,506.70-21,774.93

Finding the Fourth Proportional to 38,771.57, 53,506.70 and 21,774.93

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Solution

The fourth proportional to 38,771.57, 53,506.70 and 21,774.93 is: 30,050.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.57 : 53,506.70 = 21,774.93 : x
  2. Step 2: Convert to fraction form
    38,771.57/53,506.70 = 21,774.93/x
  3. Step 3: Cross multiply
    38,771.57x = 53,506.70 × 21,774.93
  4. Step 4: Simplify right side
    38,771.57x = 1,165,104,538.16
  5. Step 5: Solve for x
    x = 1,165,104,538.16/38,771.57
  6. Step 6: Final answer
    x = 30,050.49

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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.