Home / 56,489.44-77,954.48-31,338.40

Finding the Fourth Proportional to 56,489.44, 77,954.48 and 31,338.40

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Solution

The fourth proportional to 56,489.44, 77,954.48 and 31,338.40 is: 43,246.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,489.44 : 77,954.48 = 31,338.40 : x
  2. Step 2: Convert to fraction form
    56,489.44/77,954.48 = 31,338.40/x
  3. Step 3: Cross multiply
    56,489.44x = 77,954.48 × 31,338.40
  4. Step 4: Simplify right side
    56,489.44x = 2,442,968,676.03
  5. Step 5: Solve for x
    x = 2,442,968,676.03/56,489.44
  6. Step 6: Final answer
    x = 43,246.47

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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.