Home / 51,581.02-71,194.47-31,449

Finding the Fourth Proportional to 51,581.02, 71,194.47 and 31,449

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Solution

The fourth proportional to 51,581.02, 71,194.47 and 31,449 is: 43,407.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,581.02 : 71,194.47 = 31,449 : x
  2. Step 2: Convert to fraction form
    51,581.02/71,194.47 = 31,449/x
  3. Step 3: Cross multiply
    51,581.02x = 71,194.47 × 31,449
  4. Step 4: Simplify right side
    51,581.02x = 2,238,994,887.03
  5. Step 5: Solve for x
    x = 2,238,994,887.03/51,581.02
  6. Step 6: Final answer
    x = 43,407.34

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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.