Home / 30,160.56-45,244.35-11,454.60

Finding the Fourth Proportional to 30,160.56, 45,244.35 and 11,454.60

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Solution

The fourth proportional to 30,160.56, 45,244.35 and 11,454.60 is: 17,183.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.56 : 45,244.35 = 11,454.60 : x
  2. Step 2: Convert to fraction form
    30,160.56/45,244.35 = 11,454.60/x
  3. Step 3: Cross multiply
    30,160.56x = 45,244.35 × 11,454.60
  4. Step 4: Simplify right side
    30,160.56x = 518,255,931.51
  5. Step 5: Solve for x
    x = 518,255,931.51/30,160.56
  6. Step 6: Final answer
    x = 17,183.23

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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.