Home / 31,206.32-46,829-12,483.60

Finding the Fourth Proportional to 31,206.32, 46,829 and 12,483.60

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Solution

The fourth proportional to 31,206.32, 46,829 and 12,483.60 is: 18,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.32 : 46,829 = 12,483.60 : x
  2. Step 2: Convert to fraction form
    31,206.32/46,829 = 12,483.60/x
  3. Step 3: Cross multiply
    31,206.32x = 46,829 × 12,483.60
  4. Step 4: Simplify right side
    31,206.32x = 584,594,504.40
  5. Step 5: Solve for x
    x = 584,594,504.40/31,206.32
  6. Step 6: Final answer
    x = 18,733.21

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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.