Home / 51,637.44-71,258.88-28,976.64

Finding the Fourth Proportional to 51,637.44, 71,258.88 and 28,976.64

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Solution

The fourth proportional to 51,637.44, 71,258.88 and 28,976.64 is: 39,987.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,637.44 : 71,258.88 = 28,976.64 : x
  2. Step 2: Convert to fraction form
    51,637.44/71,258.88 = 28,976.64/x
  3. Step 3: Cross multiply
    51,637.44x = 71,258.88 × 28,976.64
  4. Step 4: Simplify right side
    51,637.44x = 2,064,842,912.56
  5. Step 5: Solve for x
    x = 2,064,842,912.56/51,637.44
  6. Step 6: Final answer
    x = 39,987.32

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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.