Home / 55,510.50-76,604.49-30,360

Finding the Fourth Proportional to 55,510.50, 76,604.49 and 30,360

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Solution

The fourth proportional to 55,510.50, 76,604.49 and 30,360 is: 41,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,510.50 : 76,604.49 = 30,360 : x
  2. Step 2: Convert to fraction form
    55,510.50/76,604.49 = 30,360/x
  3. Step 3: Cross multiply
    55,510.50x = 76,604.49 × 30,360
  4. Step 4: Simplify right side
    55,510.50x = 2,325,712,316.40
  5. Step 5: Solve for x
    x = 2,325,712,316.40/55,510.50
  6. Step 6: Final answer
    x = 41,896.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.