Home / 42,014.21-57,979.55-23,151.33

Finding the Fourth Proportional to 42,014.21, 57,979.55 and 23,151.33

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Solution

The fourth proportional to 42,014.21, 57,979.55 and 23,151.33 is: 31,948.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.21 : 57,979.55 = 23,151.33 : x
  2. Step 2: Convert to fraction form
    42,014.21/57,979.55 = 23,151.33/x
  3. Step 3: Cross multiply
    42,014.21x = 57,979.55 × 23,151.33
  4. Step 4: Simplify right side
    42,014.21x = 1,342,303,579.54
  5. Step 5: Solve for x
    x = 1,342,303,579.54/42,014.21
  6. Step 6: Final answer
    x = 31,948.80

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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.