Home / 39,616.50-59,383.80-13,312.38

Finding the Fourth Proportional to 39,616.50, 59,383.80 and 13,312.38

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Solution

The fourth proportional to 39,616.50, 59,383.80 and 13,312.38 is: 19,954.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,616.50 : 59,383.80 = 13,312.38 : x
  2. Step 2: Convert to fraction form
    39,616.50/59,383.80 = 13,312.38/x
  3. Step 3: Cross multiply
    39,616.50x = 59,383.80 × 13,312.38
  4. Step 4: Simplify right side
    39,616.50x = 790,539,711.44
  5. Step 5: Solve for x
    x = 790,539,711.44/39,616.50
  6. Step 6: Final answer
    x = 19,954.81

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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.