Home / 53,608.20-73,968.24-30,946.80

Finding the Fourth Proportional to 53,608.20, 73,968.24 and 30,946.80

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Solution

The fourth proportional to 53,608.20, 73,968.24 and 30,946.80 is: 42,700.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,608.20 : 73,968.24 = 30,946.80 : x
  2. Step 2: Convert to fraction form
    53,608.20/73,968.24 = 30,946.80/x
  3. Step 3: Cross multiply
    53,608.20x = 73,968.24 × 30,946.80
  4. Step 4: Simplify right side
    53,608.20x = 2,289,080,329.63
  5. Step 5: Solve for x
    x = 2,289,080,329.63/53,608.20
  6. Step 6: Final answer
    x = 42,700.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.