Home / 53,515.07-80,228.82-20,216.24

Finding the Fourth Proportional to 53,515.07, 80,228.82 and 20,216.24

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Solution

The fourth proportional to 53,515.07, 80,228.82 and 20,216.24 is: 30,307.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,515.07 : 80,228.82 = 20,216.24 : x
  2. Step 2: Convert to fraction form
    53,515.07/80,228.82 = 20,216.24/x
  3. Step 3: Cross multiply
    53,515.07x = 80,228.82 × 20,216.24
  4. Step 4: Simplify right side
    53,515.07x = 1,621,925,080.04
  5. Step 5: Solve for x
    x = 1,621,925,080.04/53,515.07
  6. Step 6: Final answer
    x = 30,307.82

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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.