Home / 51,534.36-71,116.48-28,873.12

Finding the Fourth Proportional to 51,534.36, 71,116.48 and 28,873.12

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Solution

The fourth proportional to 51,534.36, 71,116.48 and 28,873.12 is: 39,844.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.36 : 71,116.48 = 28,873.12 : x
  2. Step 2: Convert to fraction form
    51,534.36/71,116.48 = 28,873.12/x
  3. Step 3: Cross multiply
    51,534.36x = 71,116.48 × 28,873.12
  4. Step 4: Simplify right side
    51,534.36x = 2,053,354,661.02
  5. Step 5: Solve for x
    x = 2,053,354,661.02/51,534.36
  6. Step 6: Final answer
    x = 39,844.38

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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.