Home / 31,455.74-43,408.12-17,114.96

Finding the Fourth Proportional to 31,455.74, 43,408.12 and 17,114.96

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Solution

The fourth proportional to 31,455.74, 43,408.12 and 17,114.96 is: 23,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,455.74 : 43,408.12 = 17,114.96 : x
  2. Step 2: Convert to fraction form
    31,455.74/43,408.12 = 17,114.96/x
  3. Step 3: Cross multiply
    31,455.74x = 43,408.12 × 17,114.96
  4. Step 4: Simplify right side
    31,455.74x = 742,928,237.48
  5. Step 5: Solve for x
    x = 742,928,237.48/31,455.74
  6. Step 6: Final answer
    x = 23,618.21

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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.