Home / 31,315.22-43,181.25-23,775.38

Finding the Fourth Proportional to 31,315.22, 43,181.25 and 23,775.38

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Solution

The fourth proportional to 31,315.22, 43,181.25 and 23,775.38 is: 32,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.22 : 43,181.25 = 23,775.38 : x
  2. Step 2: Convert to fraction form
    31,315.22/43,181.25 = 23,775.38/x
  3. Step 3: Cross multiply
    31,315.22x = 43,181.25 × 23,775.38
  4. Step 4: Simplify right side
    31,315.22x = 1,026,650,627.63
  5. Step 5: Solve for x
    x = 1,026,650,627.63/31,315.22
  6. Step 6: Final answer
    x = 32,784.40

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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.