Home / 30,742.56-46,055.52-18,236.16

Finding the Fourth Proportional to 30,742.56, 46,055.52 and 18,236.16

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Solution

The fourth proportional to 30,742.56, 46,055.52 and 18,236.16 is: 27,319.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742.56 : 46,055.52 = 18,236.16 : x
  2. Step 2: Convert to fraction form
    30,742.56/46,055.52 = 18,236.16/x
  3. Step 3: Cross multiply
    30,742.56x = 46,055.52 × 18,236.16
  4. Step 4: Simplify right side
    30,742.56x = 839,875,831.60
  5. Step 5: Solve for x
    x = 839,875,831.60/30,742.56
  6. Step 6: Final answer
    x = 27,319.65

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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.