Home / 53,577.07-80,366.51-20,312.80

Finding the Fourth Proportional to 53,577.07, 80,366.51 and 20,312.80

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Solution

The fourth proportional to 53,577.07, 80,366.51 and 20,312.80 is: 30,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,577.07 : 80,366.51 = 20,312.80 : x
  2. Step 2: Convert to fraction form
    53,577.07/80,366.51 = 20,312.80/x
  3. Step 3: Cross multiply
    53,577.07x = 80,366.51 × 20,312.80
  4. Step 4: Simplify right side
    53,577.07x = 1,632,468,694.19
  5. Step 5: Solve for x
    x = 1,632,468,694.19/53,577.07
  6. Step 6: Final answer
    x = 30,469.54

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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.