Home / 30,459.66-42,021.60-23,733.62

Finding the Fourth Proportional to 30,459.66, 42,021.60 and 23,733.62

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Solution

The fourth proportional to 30,459.66, 42,021.60 and 23,733.62 is: 32,742.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,459.66 : 42,021.60 = 23,733.62 : x
  2. Step 2: Convert to fraction form
    30,459.66/42,021.60 = 23,733.62/x
  3. Step 3: Cross multiply
    30,459.66x = 42,021.60 × 23,733.62
  4. Step 4: Simplify right side
    30,459.66x = 997,324,476.08
  5. Step 5: Solve for x
    x = 997,324,476.08/30,459.66
  6. Step 6: Final answer
    x = 32,742.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.