Home / 38,890.67-53,668.31-23,783.49

Finding the Fourth Proportional to 38,890.67, 53,668.31 and 23,783.49

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Solution

The fourth proportional to 38,890.67, 53,668.31 and 23,783.49 is: 32,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,890.67 : 53,668.31 = 23,783.49 : x
  2. Step 2: Convert to fraction form
    38,890.67/53,668.31 = 23,783.49/x
  3. Step 3: Cross multiply
    38,890.67x = 53,668.31 × 23,783.49
  4. Step 4: Simplify right side
    38,890.67x = 1,276,419,595.28
  5. Step 5: Solve for x
    x = 1,276,419,595.28/38,890.67
  6. Step 6: Final answer
    x = 32,820.72

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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.