Home / 34,887.90-48,146.34-18,973.38

Finding the Fourth Proportional to 34,887.90, 48,146.34 and 18,973.38

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Solution

The fourth proportional to 34,887.90, 48,146.34 and 18,973.38 is: 26,183.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,887.90 : 48,146.34 = 18,973.38 : x
  2. Step 2: Convert to fraction form
    34,887.90/48,146.34 = 18,973.38/x
  3. Step 3: Cross multiply
    34,887.90x = 48,146.34 × 18,973.38
  4. Step 4: Simplify right side
    34,887.90x = 913,498,804.43
  5. Step 5: Solve for x
    x = 913,498,804.43/34,887.90
  6. Step 6: Final answer
    x = 26,183.83

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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.