Home / 55,389.80-83,000.64-40,608.56

Finding the Fourth Proportional to 55,389.80, 83,000.64 and 40,608.56

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Solution

The fourth proportional to 55,389.80, 83,000.64 and 40,608.56 is: 60,851.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.80 : 83,000.64 = 40,608.56 : x
  2. Step 2: Convert to fraction form
    55,389.80/83,000.64 = 40,608.56/x
  3. Step 3: Cross multiply
    55,389.80x = 83,000.64 × 40,608.56
  4. Step 4: Simplify right side
    55,389.80x = 3,370,536,469.48
  5. Step 5: Solve for x
    x = 3,370,536,469.48/55,389.80
  6. Step 6: Final answer
    x = 60,851.21

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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.