Home / 39,076.20-53,948.16-25,670.84

Finding the Fourth Proportional to 39,076.20, 53,948.16 and 25,670.84

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Solution

The fourth proportional to 39,076.20, 53,948.16 and 25,670.84 is: 35,440.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,076.20 : 53,948.16 = 25,670.84 : x
  2. Step 2: Convert to fraction form
    39,076.20/53,948.16 = 25,670.84/x
  3. Step 3: Cross multiply
    39,076.20x = 53,948.16 × 25,670.84
  4. Step 4: Simplify right side
    39,076.20x = 1,384,894,313.91
  5. Step 5: Solve for x
    x = 1,384,894,313.91/39,076.20
  6. Step 6: Final answer
    x = 35,440.86

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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.