Home / 51,477.93-71,040.75-28,816.36

Finding the Fourth Proportional to 51,477.93, 71,040.75 and 28,816.36

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Solution

The fourth proportional to 51,477.93, 71,040.75 and 28,816.36 is: 39,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,477.93 : 71,040.75 = 28,816.36 : x
  2. Step 2: Convert to fraction form
    51,477.93/71,040.75 = 28,816.36/x
  3. Step 3: Cross multiply
    51,477.93x = 71,040.75 × 28,816.36
  4. Step 4: Simplify right side
    51,477.93x = 2,047,135,541.01
  5. Step 5: Solve for x
    x = 2,047,135,541.01/51,477.93
  6. Step 6: Final answer
    x = 39,767.25

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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.