Home / 47,958.42-71,937.63-20,256.66

Finding the Fourth Proportional to 47,958.42, 71,937.63 and 20,256.66

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Solution

The fourth proportional to 47,958.42, 71,937.63 and 20,256.66 is: 30,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,958.42 : 71,937.63 = 20,256.66 : x
  2. Step 2: Convert to fraction form
    47,958.42/71,937.63 = 20,256.66/x
  3. Step 3: Cross multiply
    47,958.42x = 71,937.63 × 20,256.66
  4. Step 4: Simplify right side
    47,958.42x = 1,457,216,112.12
  5. Step 5: Solve for x
    x = 1,457,216,112.12/47,958.42
  6. Step 6: Final answer
    x = 30,384.99

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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.