Home / 54,090.53-74,648.97-31,127.39

Finding the Fourth Proportional to 54,090.53, 74,648.97 and 31,127.39

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Solution

The fourth proportional to 54,090.53, 74,648.97 and 31,127.39 is: 42,958.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.53 : 74,648.97 = 31,127.39 : x
  2. Step 2: Convert to fraction form
    54,090.53/74,648.97 = 31,127.39/x
  3. Step 3: Cross multiply
    54,090.53x = 74,648.97 × 31,127.39
  4. Step 4: Simplify right side
    54,090.53x = 2,323,627,602.29
  5. Step 5: Solve for x
    x = 2,323,627,602.29/54,090.53
  6. Step 6: Final answer
    x = 42,958.12

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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.