Home / 31,420.53-43,360.74-17,273.25

Finding the Fourth Proportional to 31,420.53, 43,360.74 and 17,273.25

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Solution

The fourth proportional to 31,420.53, 43,360.74 and 17,273.25 is: 23,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.53 : 43,360.74 = 17,273.25 : x
  2. Step 2: Convert to fraction form
    31,420.53/43,360.74 = 17,273.25/x
  3. Step 3: Cross multiply
    31,420.53x = 43,360.74 × 17,273.25
  4. Step 4: Simplify right side
    31,420.53x = 748,980,902.21
  5. Step 5: Solve for x
    x = 748,980,902.21/31,420.53
  6. Step 6: Final answer
    x = 23,837.31

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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.