Home / 39,230.36-58,857.84-12,953.55

Finding the Fourth Proportional to 39,230.36, 58,857.84 and 12,953.55

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Solution

The fourth proportional to 39,230.36, 58,857.84 and 12,953.55 is: 19,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.36 : 58,857.84 = 12,953.55 : x
  2. Step 2: Convert to fraction form
    39,230.36/58,857.84 = 12,953.55/x
  3. Step 3: Cross multiply
    39,230.36x = 58,857.84 × 12,953.55
  4. Step 4: Simplify right side
    39,230.36x = 762,417,973.33
  5. Step 5: Solve for x
    x = 762,417,973.33/39,230.36
  6. Step 6: Final answer
    x = 19,434.39

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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.