Home / 51,058.47-76,591.37-13,618.34

Finding the Fourth Proportional to 51,058.47, 76,591.37 and 13,618.34

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Solution

The fourth proportional to 51,058.47, 76,591.37 and 13,618.34 is: 20,428.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,058.47 : 76,591.37 = 13,618.34 : x
  2. Step 2: Convert to fraction form
    51,058.47/76,591.37 = 13,618.34/x
  3. Step 3: Cross multiply
    51,058.47x = 76,591.37 × 13,618.34
  4. Step 4: Simplify right side
    51,058.47x = 1,043,047,317.73
  5. Step 5: Solve for x
    x = 1,043,047,317.73/51,058.47
  6. Step 6: Final answer
    x = 20,428.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.