Home / 54,090.03-74,648.28-31,126.89

Finding the Fourth Proportional to 54,090.03, 74,648.28 and 31,126.89

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Solution

The fourth proportional to 54,090.03, 74,648.28 and 31,126.89 is: 42,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.03 : 74,648.28 = 31,126.89 : x
  2. Step 2: Convert to fraction form
    54,090.03/74,648.28 = 31,126.89/x
  3. Step 3: Cross multiply
    54,090.03x = 74,648.28 × 31,126.89
  4. Step 4: Simplify right side
    54,090.03x = 2,323,568,800.25
  5. Step 5: Solve for x
    x = 2,323,568,800.25/54,090.03
  6. Step 6: Final answer
    x = 42,957.43

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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.