Home / 45,353.89-68,030.97-13,764.20

Finding the Fourth Proportional to 45,353.89, 68,030.97 and 13,764.20

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Solution

The fourth proportional to 45,353.89, 68,030.97 and 13,764.20 is: 20,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.89 : 68,030.97 = 13,764.20 : x
  2. Step 2: Convert to fraction form
    45,353.89/68,030.97 = 13,764.20/x
  3. Step 3: Cross multiply
    45,353.89x = 68,030.97 × 13,764.20
  4. Step 4: Simplify right side
    45,353.89x = 936,391,877.27
  5. Step 5: Solve for x
    x = 936,391,877.27/45,353.89
  6. Step 6: Final answer
    x = 20,646.34

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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.