Home / 45,504.72-68,258.32-17,438.16

Finding the Fourth Proportional to 45,504.72, 68,258.32 and 17,438.16

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Solution

The fourth proportional to 45,504.72, 68,258.32 and 17,438.16 is: 26,157.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,504.72 : 68,258.32 = 17,438.16 : x
  2. Step 2: Convert to fraction form
    45,504.72/68,258.32 = 17,438.16/x
  3. Step 3: Cross multiply
    45,504.72x = 68,258.32 × 17,438.16
  4. Step 4: Simplify right side
    45,504.72x = 1,190,299,505.49
  5. Step 5: Solve for x
    x = 1,190,299,505.49/45,504.72
  6. Step 6: Final answer
    x = 26,157.72

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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.