Home / 62,977.09-86,912.34-34,682.78

Finding the Fourth Proportional to 62,977.09, 86,912.34 and 34,682.78

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Solution

The fourth proportional to 62,977.09, 86,912.34 and 34,682.78 is: 47,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,977.09 : 86,912.34 = 34,682.78 : x
  2. Step 2: Convert to fraction form
    62,977.09/86,912.34 = 34,682.78/x
  3. Step 3: Cross multiply
    62,977.09x = 86,912.34 × 34,682.78
  4. Step 4: Simplify right side
    62,977.09x = 3,014,361,567.51
  5. Step 5: Solve for x
    x = 3,014,361,567.51/62,977.09
  6. Step 6: Final answer
    x = 47,864.41

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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.