Home / 39,079.36-58,627.24-12,782.05

Finding the Fourth Proportional to 39,079.36, 58,627.24 and 12,782.05

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Solution

The fourth proportional to 39,079.36, 58,627.24 and 12,782.05 is: 19,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079.36 : 58,627.24 = 12,782.05 : x
  2. Step 2: Convert to fraction form
    39,079.36/58,627.24 = 12,782.05/x
  3. Step 3: Cross multiply
    39,079.36x = 58,627.24 × 12,782.05
  4. Step 4: Simplify right side
    39,079.36x = 749,375,956.00
  5. Step 5: Solve for x
    x = 749,375,956.00/39,079.36
  6. Step 6: Final answer
    x = 19,175.75

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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.