Home / 47,029.74-64,899-25,809.36

Finding the Fourth Proportional to 47,029.74, 64,899 and 25,809.36

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Solution

The fourth proportional to 47,029.74, 64,899 and 25,809.36 is: 35,615.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,029.74 : 64,899 = 25,809.36 : x
  2. Step 2: Convert to fraction form
    47,029.74/64,899 = 25,809.36/x
  3. Step 3: Cross multiply
    47,029.74x = 64,899 × 25,809.36
  4. Step 4: Simplify right side
    47,029.74x = 1,675,001,654.64
  5. Step 5: Solve for x
    x = 1,675,001,654.64/47,029.74
  6. Step 6: Final answer
    x = 35,615.80

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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.