Home / 38,930.36-58,397.63-12,633.17

Finding the Fourth Proportional to 38,930.36, 58,397.63 and 12,633.17

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Solution

The fourth proportional to 38,930.36, 58,397.63 and 12,633.17 is: 18,950.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,930.36 : 58,397.63 = 12,633.17 : x
  2. Step 2: Convert to fraction form
    38,930.36/58,397.63 = 12,633.17/x
  3. Step 3: Cross multiply
    38,930.36x = 58,397.63 × 12,633.17
  4. Step 4: Simplify right side
    38,930.36x = 737,746,832.23
  5. Step 5: Solve for x
    x = 737,746,832.23/38,930.36
  6. Step 6: Final answer
    x = 18,950.43

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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.