Home / 47,213.22-70,787.02-20,903.61

Finding the Fourth Proportional to 47,213.22, 70,787.02 and 20,903.61

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Solution

The fourth proportional to 47,213.22, 70,787.02 and 20,903.61 is: 31,340.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,213.22 : 70,787.02 = 20,903.61 : x
  2. Step 2: Convert to fraction form
    47,213.22/70,787.02 = 20,903.61/x
  3. Step 3: Cross multiply
    47,213.22x = 70,787.02 × 20,903.61
  4. Step 4: Simplify right side
    47,213.22x = 1,479,704,259.14
  5. Step 5: Solve for x
    x = 1,479,704,259.14/47,213.22
  6. Step 6: Final answer
    x = 31,340.89

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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.