Home / 53,950.06-80,872.86-20,644.48

Finding the Fourth Proportional to 53,950.06, 80,872.86 and 20,644.48

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Solution

The fourth proportional to 53,950.06, 80,872.86 and 20,644.48 is: 30,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,950.06 : 80,872.86 = 20,644.48 : x
  2. Step 2: Convert to fraction form
    53,950.06/80,872.86 = 20,644.48/x
  3. Step 3: Cross multiply
    53,950.06x = 80,872.86 × 20,644.48
  4. Step 4: Simplify right side
    53,950.06x = 1,669,578,140.81
  5. Step 5: Solve for x
    x = 1,669,578,140.81/53,950.06
  6. Step 6: Final answer
    x = 30,946.73

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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.