Home / 51,324.21-70,823.39-28,661.45

Finding the Fourth Proportional to 51,324.21, 70,823.39 and 28,661.45

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Solution

The fourth proportional to 51,324.21, 70,823.39 and 28,661.45 is: 39,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.21 : 70,823.39 = 28,661.45 : x
  2. Step 2: Convert to fraction form
    51,324.21/70,823.39 = 28,661.45/x
  3. Step 3: Cross multiply
    51,324.21x = 70,823.39 × 28,661.45
  4. Step 4: Simplify right side
    51,324.21x = 2,029,900,553.89
  5. Step 5: Solve for x
    x = 2,029,900,553.89/51,324.21
  6. Step 6: Final answer
    x = 39,550.55

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1.5x scale

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.