Home / 42,021.44-57,989.76-25,254.72

Finding the Fourth Proportional to 42,021.44, 57,989.76 and 25,254.72

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Solution

The fourth proportional to 42,021.44, 57,989.76 and 25,254.72 is: 34,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,021.44 : 57,989.76 = 25,254.72 : x
  2. Step 2: Convert to fraction form
    42,021.44/57,989.76 = 25,254.72/x
  3. Step 3: Cross multiply
    42,021.44x = 57,989.76 × 25,254.72
  4. Step 4: Simplify right side
    42,021.44x = 1,464,515,151.67
  5. Step 5: Solve for x
    x = 1,464,515,151.67/42,021.44
  6. Step 6: Final answer
    x = 34,851.62

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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.