Home / 43,488.09-65,241.43-13,501.67

Finding the Fourth Proportional to 43,488.09, 65,241.43 and 13,501.67

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Solution

The fourth proportional to 43,488.09, 65,241.43 and 13,501.67 is: 20,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.09 : 65,241.43 = 13,501.67 : x
  2. Step 2: Convert to fraction form
    43,488.09/65,241.43 = 13,501.67/x
  3. Step 3: Cross multiply
    43,488.09x = 65,241.43 × 13,501.67
  4. Step 4: Simplify right side
    43,488.09x = 880,867,898.23
  5. Step 5: Solve for x
    x = 880,867,898.23/43,488.09
  6. Step 6: Final answer
    x = 20,255.38

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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.