Home / 47,360.64-71,039.40-19,272.36

Finding the Fourth Proportional to 47,360.64, 71,039.40 and 19,272.36

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Solution

The fourth proportional to 47,360.64, 71,039.40 and 19,272.36 is: 28,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,360.64 : 71,039.40 = 19,272.36 : x
  2. Step 2: Convert to fraction form
    47,360.64/71,039.40 = 19,272.36/x
  3. Step 3: Cross multiply
    47,360.64x = 71,039.40 × 19,272.36
  4. Step 4: Simplify right side
    47,360.64x = 1,369,096,890.98
  5. Step 5: Solve for x
    x = 1,369,096,890.98/47,360.64
  6. Step 6: Final answer
    x = 28,907.91

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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.