Home / 31,220.38-46,830.61-12,752.38

Finding the Fourth Proportional to 31,220.38, 46,830.61 and 12,752.38

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Solution

The fourth proportional to 31,220.38, 46,830.61 and 12,752.38 is: 19,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,220.38 : 46,830.61 = 12,752.38 : x
  2. Step 2: Convert to fraction form
    31,220.38/46,830.61 = 12,752.38/x
  3. Step 3: Cross multiply
    31,220.38x = 46,830.61 × 12,752.38
  4. Step 4: Simplify right side
    31,220.38x = 597,201,500.20
  5. Step 5: Solve for x
    x = 597,201,500.20/31,220.38
  6. Step 6: Final answer
    x = 19,128.58

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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.