Home / 31,319.34-43,220.70-17,173.50

Finding the Fourth Proportional to 31,319.34, 43,220.70 and 17,173.50

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Solution

The fourth proportional to 31,319.34, 43,220.70 and 17,173.50 is: 23,699.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,319.34 : 43,220.70 = 17,173.50 : x
  2. Step 2: Convert to fraction form
    31,319.34/43,220.70 = 17,173.50/x
  3. Step 3: Cross multiply
    31,319.34x = 43,220.70 × 17,173.50
  4. Step 4: Simplify right side
    31,319.34x = 742,250,691.45
  5. Step 5: Solve for x
    x = 742,250,691.45/31,319.34
  6. Step 6: Final answer
    x = 23,699.44

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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.