Home / 23,484.12-35,142.33-20,400.45

Finding the Fourth Proportional to 23,484.12, 35,142.33 and 20,400.45

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Solution

The fourth proportional to 23,484.12, 35,142.33 and 20,400.45 is: 30,527.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,484.12 : 35,142.33 = 20,400.45 : x
  2. Step 2: Convert to fraction form
    23,484.12/35,142.33 = 20,400.45/x
  3. Step 3: Cross multiply
    23,484.12x = 35,142.33 × 20,400.45
  4. Step 4: Simplify right side
    23,484.12x = 716,919,346.05
  5. Step 5: Solve for x
    x = 716,919,346.05/23,484.12
  6. Step 6: Final answer
    x = 30,527.84

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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.