Home / 55,365.85-83,059.71-20,305.81

Finding the Fourth Proportional to 55,365.85, 83,059.71 and 20,305.81

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Solution

The fourth proportional to 55,365.85, 83,059.71 and 20,305.81 is: 30,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.85 : 83,059.71 = 20,305.81 : x
  2. Step 2: Convert to fraction form
    55,365.85/83,059.71 = 20,305.81/x
  3. Step 3: Cross multiply
    55,365.85x = 83,059.71 × 20,305.81
  4. Step 4: Simplify right side
    55,365.85x = 1,686,594,717.59
  5. Step 5: Solve for x
    x = 1,686,594,717.59/55,365.85
  6. Step 6: Final answer
    x = 30,462.73

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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.