Home / 29,765.16-44,646.36-13,120.72

Finding the Fourth Proportional to 29,765.16, 44,646.36 and 13,120.72

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Solution

The fourth proportional to 29,765.16, 44,646.36 and 13,120.72 is: 19,680.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,765.16 : 44,646.36 = 13,120.72 : x
  2. Step 2: Convert to fraction form
    29,765.16/44,646.36 = 13,120.72/x
  3. Step 3: Cross multiply
    29,765.16x = 44,646.36 × 13,120.72
  4. Step 4: Simplify right side
    29,765.16x = 585,792,388.58
  5. Step 5: Solve for x
    x = 585,792,388.58/29,765.16
  6. Step 6: Final answer
    x = 19,680.47

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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.