Home / 29,228.40-43,850.70-19,386.90

Finding the Fourth Proportional to 29,228.40, 43,850.70 and 19,386.90

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Solution

The fourth proportional to 29,228.40, 43,850.70 and 19,386.90 is: 29,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,228.40 : 43,850.70 = 19,386.90 : x
  2. Step 2: Convert to fraction form
    29,228.40/43,850.70 = 19,386.90/x
  3. Step 3: Cross multiply
    29,228.40x = 43,850.70 × 19,386.90
  4. Step 4: Simplify right side
    29,228.40x = 850,129,135.83
  5. Step 5: Solve for x
    x = 850,129,135.83/29,228.40
  6. Step 6: Final answer
    x = 29,085.72

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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.