Home / 47,761.70-71,642.48-12,701.36

Finding the Fourth Proportional to 47,761.70, 71,642.48 and 12,701.36

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Solution

The fourth proportional to 47,761.70, 71,642.48 and 12,701.36 is: 19,052.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,761.70 : 71,642.48 = 12,701.36 : x
  2. Step 2: Convert to fraction form
    47,761.70/71,642.48 = 12,701.36/x
  3. Step 3: Cross multiply
    47,761.70x = 71,642.48 × 12,701.36
  4. Step 4: Simplify right side
    47,761.70x = 909,956,642.38
  5. Step 5: Solve for x
    x = 909,956,642.38/47,761.70
  6. Step 6: Final answer
    x = 19,052.02

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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.