Home / 44,318.90-66,468.21-12,728.71

Finding the Fourth Proportional to 44,318.90, 66,468.21 and 12,728.71

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Solution

The fourth proportional to 44,318.90, 66,468.21 and 12,728.71 is: 19,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,318.90 : 66,468.21 = 12,728.71 : x
  2. Step 2: Convert to fraction form
    44,318.90/66,468.21 = 12,728.71/x
  3. Step 3: Cross multiply
    44,318.90x = 66,468.21 × 12,728.71
  4. Step 4: Simplify right side
    44,318.90x = 846,054,342.15
  5. Step 5: Solve for x
    x = 846,054,342.15/44,318.90
  6. Step 6: Final answer
    x = 19,090.15

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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.