Home / 30,699.44-42,364.93-17,270.76

Finding the Fourth Proportional to 30,699.44, 42,364.93 and 17,270.76

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Solution

The fourth proportional to 30,699.44, 42,364.93 and 17,270.76 is: 23,833.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,699.44 : 42,364.93 = 17,270.76 : x
  2. Step 2: Convert to fraction form
    30,699.44/42,364.93 = 17,270.76/x
  3. Step 3: Cross multiply
    30,699.44x = 42,364.93 × 17,270.76
  4. Step 4: Simplify right side
    30,699.44x = 731,674,538.45
  5. Step 5: Solve for x
    x = 731,674,538.45/30,699.44
  6. Step 6: Final answer
    x = 23,833.48

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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.