Home / 30,435.90-41,840.27-26,171.34

Finding the Fourth Proportional to 30,435.90, 41,840.27 and 26,171.34

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Solution

The fourth proportional to 30,435.90, 41,840.27 and 26,171.34 is: 35,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.90 : 41,840.27 = 26,171.34 : x
  2. Step 2: Convert to fraction form
    30,435.90/41,840.27 = 26,171.34/x
  3. Step 3: Cross multiply
    30,435.90x = 41,840.27 × 26,171.34
  4. Step 4: Simplify right side
    30,435.90x = 1,095,015,801.01
  5. Step 5: Solve for x
    x = 1,095,015,801.01/30,435.90
  6. Step 6: Final answer
    x = 35,977.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.