Home / 42,014.90-57,987.29-26,906.78

Finding the Fourth Proportional to 42,014.90, 57,987.29 and 26,906.78

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Solution

The fourth proportional to 42,014.90, 57,987.29 and 26,906.78 is: 37,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.90 : 57,987.29 = 26,906.78 : x
  2. Step 2: Convert to fraction form
    42,014.90/57,987.29 = 26,906.78/x
  3. Step 3: Cross multiply
    42,014.90x = 57,987.29 × 26,906.78
  4. Step 4: Simplify right side
    42,014.90x = 1,560,251,467.06
  5. Step 5: Solve for x
    x = 1,560,251,467.06/42,014.90
  6. Step 6: Final answer
    x = 37,135.67

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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.