Home / 31,335.63-43,243.16-17,188.50

Finding the Fourth Proportional to 31,335.63, 43,243.16 and 17,188.50

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Solution

The fourth proportional to 31,335.63, 43,243.16 and 17,188.50 is: 23,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335.63 : 43,243.16 = 17,188.50 : x
  2. Step 2: Convert to fraction form
    31,335.63/43,243.16 = 17,188.50/x
  3. Step 3: Cross multiply
    31,335.63x = 43,243.16 × 17,188.50
  4. Step 4: Simplify right side
    31,335.63x = 743,285,206.74
  5. Step 5: Solve for x
    x = 743,285,206.74/31,335.63
  6. Step 6: Final answer
    x = 23,720.13

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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.