Home / 30,336.96-45,507.04-11,613.52

Finding the Fourth Proportional to 30,336.96, 45,507.04 and 11,613.52

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Solution

The fourth proportional to 30,336.96, 45,507.04 and 11,613.52 is: 17,420.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.96 : 45,507.04 = 11,613.52 : x
  2. Step 2: Convert to fraction form
    30,336.96/45,507.04 = 11,613.52/x
  3. Step 3: Cross multiply
    30,336.96x = 45,507.04 × 11,613.52
  4. Step 4: Simplify right side
    30,336.96x = 528,496,919.18
  5. Step 5: Solve for x
    x = 528,496,919.18/30,336.96
  6. Step 6: Final answer
    x = 17,420.89

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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.