Home / 39,278.50-58,926.97-12,983.24

Finding the Fourth Proportional to 39,278.50, 58,926.97 and 12,983.24

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Solution

The fourth proportional to 39,278.50, 58,926.97 and 12,983.24 is: 19,477.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,278.50 : 58,926.97 = 12,983.24 : x
  2. Step 2: Convert to fraction form
    39,278.50/58,926.97 = 12,983.24/x
  3. Step 3: Cross multiply
    39,278.50x = 58,926.97 × 12,983.24
  4. Step 4: Simplify right side
    39,278.50x = 765,063,026.44
  5. Step 5: Solve for x
    x = 765,063,026.44/39,278.50
  6. Step 6: Final answer
    x = 19,477.91

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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.