Home / 30,798.36-46,190.47-8,613.30

Finding the Fourth Proportional to 30,798.36, 46,190.47 and 8,613.30

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Solution

The fourth proportional to 30,798.36, 46,190.47 and 8,613.30 is: 12,917.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.36 : 46,190.47 = 8,613.30 : x
  2. Step 2: Convert to fraction form
    30,798.36/46,190.47 = 8,613.30/x
  3. Step 3: Cross multiply
    30,798.36x = 46,190.47 × 8,613.30
  4. Step 4: Simplify right side
    30,798.36x = 397,852,366.38
  5. Step 5: Solve for x
    x = 397,852,366.38/30,798.36
  6. Step 6: Final answer
    x = 12,917.97

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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.