Home / 30,729.78-46,095.75-12,014.19

Finding the Fourth Proportional to 30,729.78, 46,095.75 and 12,014.19

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Solution

The fourth proportional to 30,729.78, 46,095.75 and 12,014.19 is: 18,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,729.78 : 46,095.75 = 12,014.19 : x
  2. Step 2: Convert to fraction form
    30,729.78/46,095.75 = 12,014.19/x
  3. Step 3: Cross multiply
    30,729.78x = 46,095.75 × 12,014.19
  4. Step 4: Simplify right side
    30,729.78x = 553,803,098.69
  5. Step 5: Solve for x
    x = 553,803,098.69/30,729.78
  6. Step 6: Final answer
    x = 18,021.71

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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.