Home / 53,917.19-80,854.73-20,626.19

Finding the Fourth Proportional to 53,917.19, 80,854.73 and 20,626.19

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Solution

The fourth proportional to 53,917.19, 80,854.73 and 20,626.19 is: 30,931.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,917.19 : 80,854.73 = 20,626.19 : x
  2. Step 2: Convert to fraction form
    53,917.19/80,854.73 = 20,626.19/x
  3. Step 3: Cross multiply
    53,917.19x = 80,854.73 × 20,626.19
  4. Step 4: Simplify right side
    53,917.19x = 1,667,724,920.25
  5. Step 5: Solve for x
    x = 1,667,724,920.25/53,917.19
  6. Step 6: Final answer
    x = 30,931.23

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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.