Home / 31,486.86-43,455.02-23,515.25

Finding the Fourth Proportional to 31,486.86, 43,455.02 and 23,515.25

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Solution

The fourth proportional to 31,486.86, 43,455.02 and 23,515.25 is: 32,453.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,486.86 : 43,455.02 = 23,515.25 : x
  2. Step 2: Convert to fraction form
    31,486.86/43,455.02 = 23,515.25/x
  3. Step 3: Cross multiply
    31,486.86x = 43,455.02 × 23,515.25
  4. Step 4: Simplify right side
    31,486.86x = 1,021,855,324.20
  5. Step 5: Solve for x
    x = 1,021,855,324.20/31,486.86
  6. Step 6: Final answer
    x = 32,453.39

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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.