Home / 31,300.75-43,195.08-17,153.29

Finding the Fourth Proportional to 31,300.75, 43,195.08 and 17,153.29

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Solution

The fourth proportional to 31,300.75, 43,195.08 and 17,153.29 is: 23,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,300.75 : 43,195.08 = 17,153.29 : x
  2. Step 2: Convert to fraction form
    31,300.75/43,195.08 = 17,153.29/x
  3. Step 3: Cross multiply
    31,300.75x = 43,195.08 × 17,153.29
  4. Step 4: Simplify right side
    31,300.75x = 740,937,733.81
  5. Step 5: Solve for x
    x = 740,937,733.81/31,300.75
  6. Step 6: Final answer
    x = 23,671.56

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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.