Home / 39,480.54-59,221.88-13,184.34

Finding the Fourth Proportional to 39,480.54, 59,221.88 and 13,184.34

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Solution

The fourth proportional to 39,480.54, 59,221.88 and 13,184.34 is: 19,776.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.54 : 59,221.88 = 13,184.34 : x
  2. Step 2: Convert to fraction form
    39,480.54/59,221.88 = 13,184.34/x
  3. Step 3: Cross multiply
    39,480.54x = 59,221.88 × 13,184.34
  4. Step 4: Simplify right side
    39,480.54x = 780,801,401.36
  5. Step 5: Solve for x
    x = 780,801,401.36/39,480.54
  6. Step 6: Final answer
    x = 19,776.87

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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.