Home / 39,233.88-58,809.51-12,931.56

Finding the Fourth Proportional to 39,233.88, 58,809.51 and 12,931.56

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Solution

The fourth proportional to 39,233.88, 58,809.51 and 12,931.56 is: 19,383.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,233.88 : 58,809.51 = 12,931.56 : x
  2. Step 2: Convert to fraction form
    39,233.88/58,809.51 = 12,931.56/x
  3. Step 3: Cross multiply
    39,233.88x = 58,809.51 × 12,931.56
  4. Step 4: Simplify right side
    39,233.88x = 760,498,707.14
  5. Step 5: Solve for x
    x = 760,498,707.14/39,233.88
  6. Step 6: Final answer
    x = 19,383.72

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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.