Home / 49,158.90-73,730.25-21,083.49

Finding the Fourth Proportional to 49,158.90, 73,730.25 and 21,083.49

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Solution

The fourth proportional to 49,158.90, 73,730.25 and 21,083.49 is: 31,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,158.90 : 73,730.25 = 21,083.49 : x
  2. Step 2: Convert to fraction form
    49,158.90/73,730.25 = 21,083.49/x
  3. Step 3: Cross multiply
    49,158.90x = 73,730.25 × 21,083.49
  4. Step 4: Simplify right side
    49,158.90x = 1,554,490,988.57
  5. Step 5: Solve for x
    x = 1,554,490,988.57/49,158.90
  6. Step 6: Final answer
    x = 31,621.76

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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.