Home / 30,798.48-46,196.88-8,613.42

Finding the Fourth Proportional to 30,798.48, 46,196.88 and 8,613.42

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Solution

The fourth proportional to 30,798.48, 46,196.88 and 8,613.42 is: 12,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,798.48 : 46,196.88 = 8,613.42 : x
  2. Step 2: Convert to fraction form
    30,798.48/46,196.88 = 8,613.42/x
  3. Step 3: Cross multiply
    30,798.48x = 46,196.88 × 8,613.42
  4. Step 4: Simplify right side
    30,798.48x = 397,913,130.13
  5. Step 5: Solve for x
    x = 397,913,130.13/30,798.48
  6. Step 6: Final answer
    x = 12,919.90

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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.