Home / 53,868.06-80,769.06-20,552.40

Finding the Fourth Proportional to 53,868.06, 80,769.06 and 20,552.40

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Solution

The fourth proportional to 53,868.06, 80,769.06 and 20,552.40 is: 30,816.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,868.06 : 80,769.06 = 20,552.40 : x
  2. Step 2: Convert to fraction form
    53,868.06/80,769.06 = 20,552.40/x
  3. Step 3: Cross multiply
    53,868.06x = 80,769.06 × 20,552.40
  4. Step 4: Simplify right side
    53,868.06x = 1,659,998,028.74
  5. Step 5: Solve for x
    x = 1,659,998,028.74/53,868.06
  6. Step 6: Final answer
    x = 30,816.00

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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.