Home / 30,771.60-46,157.28-9,995.04

Finding the Fourth Proportional to 30,771.60, 46,157.28 and 9,995.04

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Solution

The fourth proportional to 30,771.60, 46,157.28 and 9,995.04 is: 14,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,771.60 : 46,157.28 = 9,995.04 : x
  2. Step 2: Convert to fraction form
    30,771.60/46,157.28 = 9,995.04/x
  3. Step 3: Cross multiply
    30,771.60x = 46,157.28 × 9,995.04
  4. Step 4: Simplify right side
    30,771.60x = 461,343,859.89
  5. Step 5: Solve for x
    x = 461,343,859.89/30,771.60
  6. Step 6: Final answer
    x = 14,992.52

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Double scale
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Similar ratio
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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.