Home / 30,334.41-45,506.48-8,989.29

Finding the Fourth Proportional to 30,334.41, 45,506.48 and 8,989.29

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Solution

The fourth proportional to 30,334.41, 45,506.48 and 8,989.29 is: 13,485.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,334.41 : 45,506.48 = 8,989.29 : x
  2. Step 2: Convert to fraction form
    30,334.41/45,506.48 = 8,989.29/x
  3. Step 3: Cross multiply
    30,334.41x = 45,506.48 × 8,989.29
  4. Step 4: Simplify right side
    30,334.41x = 409,070,900.65
  5. Step 5: Solve for x
    x = 409,070,900.65/30,334.41
  6. Step 6: Final answer
    x = 13,485.38

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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.