Home / 31,300.35-43,194.21-17,153.19

Finding the Fourth Proportional to 31,300.35, 43,194.21 and 17,153.19

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Solution

The fourth proportional to 31,300.35, 43,194.21 and 17,153.19 is: 23,671.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.35 : 43,194.21 = 17,153.19 : x
  2. Step 2: Convert to fraction form
    31,300.35/43,194.21 = 17,153.19/x
  3. Step 3: Cross multiply
    31,300.35x = 43,194.21 × 17,153.19
  4. Step 4: Simplify right side
    31,300.35x = 740,918,491.03
  5. Step 5: Solve for x
    x = 740,918,491.03/31,300.35
  6. Step 6: Final answer
    x = 23,671.25

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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.