Home / 48,794.51-67,328.77-28,381.09

Finding the Fourth Proportional to 48,794.51, 67,328.77 and 28,381.09

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Solution

The fourth proportional to 48,794.51, 67,328.77 and 28,381.09 is: 39,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,794.51 : 67,328.77 = 28,381.09 : x
  2. Step 2: Convert to fraction form
    48,794.51/67,328.77 = 28,381.09/x
  3. Step 3: Cross multiply
    48,794.51x = 67,328.77 × 28,381.09
  4. Step 4: Simplify right side
    48,794.51x = 1,910,863,880.96
  5. Step 5: Solve for x
    x = 1,910,863,880.96/48,794.51
  6. Step 6: Final answer
    x = 39,161.45

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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.