Home / 30,777.92-46,148.40-12,035.61

Finding the Fourth Proportional to 30,777.92, 46,148.40 and 12,035.61

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Solution

The fourth proportional to 30,777.92, 46,148.40 and 12,035.61 is: 18,046.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,777.92 : 46,148.40 = 12,035.61 : x
  2. Step 2: Convert to fraction form
    30,777.92/46,148.40 = 12,035.61/x
  3. Step 3: Cross multiply
    30,777.92x = 46,148.40 × 12,035.61
  4. Step 4: Simplify right side
    30,777.92x = 555,424,144.52
  5. Step 5: Solve for x
    x = 555,424,144.52/30,777.92
  6. Step 6: Final answer
    x = 18,046.19

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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.