Home / 54,931.96-82,365.54-19,376.20

Finding the Fourth Proportional to 54,931.96, 82,365.54 and 19,376.20

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Solution

The fourth proportional to 54,931.96, 82,365.54 and 19,376.20 is: 29,052.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,931.96 : 82,365.54 = 19,376.20 : x
  2. Step 2: Convert to fraction form
    54,931.96/82,365.54 = 19,376.20/x
  3. Step 3: Cross multiply
    54,931.96x = 82,365.54 × 19,376.20
  4. Step 4: Simplify right side
    54,931.96x = 1,595,931,176.15
  5. Step 5: Solve for x
    x = 1,595,931,176.15/54,931.96
  6. Step 6: Final answer
    x = 29,052.87

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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.