Home / 31,360.96-43,278.87-17,213.50

Finding the Fourth Proportional to 31,360.96, 43,278.87 and 17,213.50

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Solution

The fourth proportional to 31,360.96, 43,278.87 and 17,213.50 is: 23,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.96 : 43,278.87 = 17,213.50 : x
  2. Step 2: Convert to fraction form
    31,360.96/43,278.87 = 17,213.50/x
  3. Step 3: Cross multiply
    31,360.96x = 43,278.87 × 17,213.50
  4. Step 4: Simplify right side
    31,360.96x = 744,980,828.75
  5. Step 5: Solve for x
    x = 744,980,828.75/31,360.96
  6. Step 6: Final answer
    x = 23,755.04

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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.