Home / 53,222.52-79,833.26-20,390.52

Finding the Fourth Proportional to 53,222.52, 79,833.26 and 20,390.52

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Solution

The fourth proportional to 53,222.52, 79,833.26 and 20,390.52 is: 30,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,222.52 : 79,833.26 = 20,390.52 : x
  2. Step 2: Convert to fraction form
    53,222.52/79,833.26 = 20,390.52/x
  3. Step 3: Cross multiply
    53,222.52x = 79,833.26 × 20,390.52
  4. Step 4: Simplify right side
    53,222.52x = 1,627,841,684.70
  5. Step 5: Solve for x
    x = 1,627,841,684.70/53,222.52
  6. Step 6: Final answer
    x = 30,585.58

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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.