Home / 53,480.85-80,222.28-20,216.58

Finding the Fourth Proportional to 53,480.85, 80,222.28 and 20,216.58

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Solution

The fourth proportional to 53,480.85, 80,222.28 and 20,216.58 is: 30,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,480.85 : 80,222.28 = 20,216.58 : x
  2. Step 2: Convert to fraction form
    53,480.85/80,222.28 = 20,216.58/x
  3. Step 3: Cross multiply
    53,480.85x = 80,222.28 × 20,216.58
  4. Step 4: Simplify right side
    53,480.85x = 1,621,820,141.40
  5. Step 5: Solve for x
    x = 1,621,820,141.40/53,480.85
  6. Step 6: Final answer
    x = 30,325.25

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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.