Home / 54,741.96-82,150.20-19,685.16

Finding the Fourth Proportional to 54,741.96, 82,150.20 and 19,685.16

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Solution

The fourth proportional to 54,741.96, 82,150.20 and 19,685.16 is: 29,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,741.96 : 82,150.20 = 19,685.16 : x
  2. Step 2: Convert to fraction form
    54,741.96/82,150.20 = 19,685.16/x
  3. Step 3: Cross multiply
    54,741.96x = 82,150.20 × 19,685.16
  4. Step 4: Simplify right side
    54,741.96x = 1,617,139,831.03
  5. Step 5: Solve for x
    x = 1,617,139,831.03/54,741.96
  6. Step 6: Final answer
    x = 29,541.14

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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.