Home / 53,559.15-80,350.01-20,278.49

Finding the Fourth Proportional to 53,559.15, 80,350.01 and 20,278.49

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Solution

The fourth proportional to 53,559.15, 80,350.01 and 20,278.49 is: 30,422.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,559.15 : 80,350.01 = 20,278.49 : x
  2. Step 2: Convert to fraction form
    53,559.15/80,350.01 = 20,278.49/x
  3. Step 3: Cross multiply
    53,559.15x = 80,350.01 × 20,278.49
  4. Step 4: Simplify right side
    53,559.15x = 1,629,376,371.14
  5. Step 5: Solve for x
    x = 1,629,376,371.14/53,559.15
  6. Step 6: Final answer
    x = 30,422.00

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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.