Home / 39,106.72-58,660.08-11,406.88

Finding the Fourth Proportional to 39,106.72, 58,660.08 and 11,406.88

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Solution

The fourth proportional to 39,106.72, 58,660.08 and 11,406.88 is: 17,110.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.72 : 58,660.08 = 11,406.88 : x
  2. Step 2: Convert to fraction form
    39,106.72/58,660.08 = 11,406.88/x
  3. Step 3: Cross multiply
    39,106.72x = 58,660.08 × 11,406.88
  4. Step 4: Simplify right side
    39,106.72x = 669,128,493.35
  5. Step 5: Solve for x
    x = 669,128,493.35/39,106.72
  6. Step 6: Final answer
    x = 17,110.32

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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.