Home / 31,437.03-43,383.14-17,289.57

Finding the Fourth Proportional to 31,437.03, 43,383.14 and 17,289.57

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Solution

The fourth proportional to 31,437.03, 43,383.14 and 17,289.57 is: 23,859.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.03 : 43,383.14 = 17,289.57 : x
  2. Step 2: Convert to fraction form
    31,437.03/43,383.14 = 17,289.57/x
  3. Step 3: Cross multiply
    31,437.03x = 43,383.14 × 17,289.57
  4. Step 4: Simplify right side
    31,437.03x = 750,075,749.40
  5. Step 5: Solve for x
    x = 750,075,749.40/31,437.03
  6. Step 6: Final answer
    x = 23,859.63

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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.