Home / 54,287.33-74,920.67-31,321.27

Finding the Fourth Proportional to 54,287.33, 74,920.67 and 31,321.27

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Solution

The fourth proportional to 54,287.33, 74,920.67 and 31,321.27 is: 43,225.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,287.33 : 74,920.67 = 31,321.27 : x
  2. Step 2: Convert to fraction form
    54,287.33/74,920.67 = 31,321.27/x
  3. Step 3: Cross multiply
    54,287.33x = 74,920.67 × 31,321.27
  4. Step 4: Simplify right side
    54,287.33x = 2,346,610,307.20
  5. Step 5: Solve for x
    x = 2,346,610,307.20/54,287.33
  6. Step 6: Final answer
    x = 43,225.74

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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.