Home / 30,856.61-46,253.75-12,149.77

Finding the Fourth Proportional to 30,856.61, 46,253.75 and 12,149.77

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Solution

The fourth proportional to 30,856.61, 46,253.75 and 12,149.77 is: 18,212.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,856.61 : 46,253.75 = 12,149.77 : x
  2. Step 2: Convert to fraction form
    30,856.61/46,253.75 = 12,149.77/x
  3. Step 3: Cross multiply
    30,856.61x = 46,253.75 × 12,149.77
  4. Step 4: Simplify right side
    30,856.61x = 561,972,363.39
  5. Step 5: Solve for x
    x = 561,972,363.39/30,856.61
  6. Step 6: Final answer
    x = 18,212.38

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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.