Home / 52,945.45-79,420.91-13,502.90

Finding the Fourth Proportional to 52,945.45, 79,420.91 and 13,502.90

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Solution

The fourth proportional to 52,945.45, 79,420.91 and 13,502.90 is: 20,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,945.45 : 79,420.91 = 13,502.90 : x
  2. Step 2: Convert to fraction form
    52,945.45/79,420.91 = 13,502.90/x
  3. Step 3: Cross multiply
    52,945.45x = 79,420.91 × 13,502.90
  4. Step 4: Simplify right side
    52,945.45x = 1,072,412,736.68
  5. Step 5: Solve for x
    x = 1,072,412,736.68/52,945.45
  6. Step 6: Final answer
    x = 20,255.05

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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.