Home / 39,771.36-59,653.20-13,474.72

Finding the Fourth Proportional to 39,771.36, 59,653.20 and 13,474.72

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Solution

The fourth proportional to 39,771.36, 59,653.20 and 13,474.72 is: 20,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,771.36 : 59,653.20 = 13,474.72 : x
  2. Step 2: Convert to fraction form
    39,771.36/59,653.20 = 13,474.72/x
  3. Step 3: Cross multiply
    39,771.36x = 59,653.20 × 13,474.72
  4. Step 4: Simplify right side
    39,771.36x = 803,810,167.10
  5. Step 5: Solve for x
    x = 803,810,167.10/39,771.36
  6. Step 6: Final answer
    x = 20,210.78

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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.