Home / 52,119.36-78,177.96-12,676.68

Finding the Fourth Proportional to 52,119.36, 78,177.96 and 12,676.68

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Solution

The fourth proportional to 52,119.36, 78,177.96 and 12,676.68 is: 19,014.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,119.36 : 78,177.96 = 12,676.68 : x
  2. Step 2: Convert to fraction form
    52,119.36/78,177.96 = 12,676.68/x
  3. Step 3: Cross multiply
    52,119.36x = 78,177.96 × 12,676.68
  4. Step 4: Simplify right side
    52,119.36x = 991,036,981.97
  5. Step 5: Solve for x
    x = 991,036,981.97/52,119.36
  6. Step 6: Final answer
    x = 19,014.76

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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.