Home / 30,637.37-45,957.56-8,450.25

Finding the Fourth Proportional to 30,637.37, 45,957.56 and 8,450.25

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Solution

The fourth proportional to 30,637.37, 45,957.56 and 8,450.25 is: 12,675.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.37 : 45,957.56 = 8,450.25 : x
  2. Step 2: Convert to fraction form
    30,637.37/45,957.56 = 8,450.25/x
  3. Step 3: Cross multiply
    30,637.37x = 45,957.56 × 8,450.25
  4. Step 4: Simplify right side
    30,637.37x = 388,352,829.14
  5. Step 5: Solve for x
    x = 388,352,829.14/30,637.37
  6. Step 6: Final answer
    x = 12,675.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.