Home / 53,900.79-74,383.91-31,241.39

Finding the Fourth Proportional to 53,900.79, 74,383.91 and 31,241.39

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Solution

The fourth proportional to 53,900.79, 74,383.91 and 31,241.39 is: 43,113.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,900.79 : 74,383.91 = 31,241.39 : x
  2. Step 2: Convert to fraction form
    53,900.79/74,383.91 = 31,241.39/x
  3. Step 3: Cross multiply
    53,900.79x = 74,383.91 × 31,241.39
  4. Step 4: Simplify right side
    53,900.79x = 2,323,856,213.91
  5. Step 5: Solve for x
    x = 2,323,856,213.91/53,900.79
  6. Step 6: Final answer
    x = 43,113.58

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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.