Home / 30,699.26-42,360.31-17,273.81

Finding the Fourth Proportional to 30,699.26, 42,360.31 and 17,273.81

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Solution

The fourth proportional to 30,699.26, 42,360.31 and 17,273.81 is: 23,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.26 : 42,360.31 = 17,273.81 : x
  2. Step 2: Convert to fraction form
    30,699.26/42,360.31 = 17,273.81/x
  3. Step 3: Cross multiply
    30,699.26x = 42,360.31 × 17,273.81
  4. Step 4: Simplify right side
    30,699.26x = 731,723,946.48
  5. Step 5: Solve for x
    x = 731,723,946.48/30,699.26
  6. Step 6: Final answer
    x = 23,835.23

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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.