Home / 39,008.64-58,518.72-12,704.88

Finding the Fourth Proportional to 39,008.64, 58,518.72 and 12,704.88

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Solution

The fourth proportional to 39,008.64, 58,518.72 and 12,704.88 is: 19,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.64 : 58,518.72 = 12,704.88 : x
  2. Step 2: Convert to fraction form
    39,008.64/58,518.72 = 12,704.88/x
  3. Step 3: Cross multiply
    39,008.64x = 58,518.72 × 12,704.88
  4. Step 4: Simplify right side
    39,008.64x = 743,473,315.35
  5. Step 5: Solve for x
    x = 743,473,315.35/39,008.64
  6. Step 6: Final answer
    x = 19,059.20

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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.