Home / 30,299.40-41,833.71-18,973.44

Finding the Fourth Proportional to 30,299.40, 41,833.71 and 18,973.44

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Solution

The fourth proportional to 30,299.40, 41,833.71 and 18,973.44 is: 26,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.40 : 41,833.71 = 18,973.44 : x
  2. Step 2: Convert to fraction form
    30,299.40/41,833.71 = 18,973.44/x
  3. Step 3: Cross multiply
    30,299.40x = 41,833.71 × 18,973.44
  4. Step 4: Simplify right side
    30,299.40x = 793,729,386.66
  5. Step 5: Solve for x
    x = 793,729,386.66/30,299.40
  6. Step 6: Final answer
    x = 26,196.21

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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.