Home / 53,984.57-74,478.62-31,310.84

Finding the Fourth Proportional to 53,984.57, 74,478.62 and 31,310.84

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Solution

The fourth proportional to 53,984.57, 74,478.62 and 31,310.84 is: 43,197.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,984.57 : 74,478.62 = 31,310.84 : x
  2. Step 2: Convert to fraction form
    53,984.57/74,478.62 = 31,310.84/x
  3. Step 3: Cross multiply
    53,984.57x = 74,478.62 × 31,310.84
  4. Step 4: Simplify right side
    53,984.57x = 2,331,987,997.69
  5. Step 5: Solve for x
    x = 2,331,987,997.69/53,984.57
  6. Step 6: Final answer
    x = 43,197.31

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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.