Home / 39,909.42-59,877.84-13,632.66

Finding the Fourth Proportional to 39,909.42, 59,877.84 and 13,632.66

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Solution

The fourth proportional to 39,909.42, 59,877.84 and 13,632.66 is: 20,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,909.42 : 59,877.84 = 13,632.66 : x
  2. Step 2: Convert to fraction form
    39,909.42/59,877.84 = 13,632.66/x
  3. Step 3: Cross multiply
    39,909.42x = 59,877.84 × 13,632.66
  4. Step 4: Simplify right side
    39,909.42x = 816,294,234.25
  5. Step 5: Solve for x
    x = 816,294,234.25/39,909.42
  6. Step 6: Final answer
    x = 20,453.67

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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.