Home / 31,420.46-43,360.98-17,273.60

Finding the Fourth Proportional to 31,420.46, 43,360.98 and 17,273.60

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Solution

The fourth proportional to 31,420.46, 43,360.98 and 17,273.60 is: 23,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,420.46 : 43,360.98 = 17,273.60 : x
  2. Step 2: Convert to fraction form
    31,420.46/43,360.98 = 17,273.60/x
  3. Step 3: Cross multiply
    31,420.46x = 43,360.98 × 17,273.60
  4. Step 4: Simplify right side
    31,420.46x = 749,000,224.13
  5. Step 5: Solve for x
    x = 749,000,224.13/31,420.46
  6. Step 6: Final answer
    x = 23,837.98

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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.