Home / 30,648.07-45,960.11-11,925.63

Finding the Fourth Proportional to 30,648.07, 45,960.11 and 11,925.63

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Solution

The fourth proportional to 30,648.07, 45,960.11 and 11,925.63 is: 17,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648.07 : 45,960.11 = 11,925.63 : x
  2. Step 2: Convert to fraction form
    30,648.07/45,960.11 = 11,925.63/x
  3. Step 3: Cross multiply
    30,648.07x = 45,960.11 × 11,925.63
  4. Step 4: Simplify right side
    30,648.07x = 548,103,251.71
  5. Step 5: Solve for x
    x = 548,103,251.71/30,648.07
  6. Step 6: Final answer
    x = 17,883.78

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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.