Home / 47,538.90-71,289.21-17,940.63

Finding the Fourth Proportional to 47,538.90, 71,289.21 and 17,940.63

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Solution

The fourth proportional to 47,538.90, 71,289.21 and 17,940.63 is: 26,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,538.90 : 71,289.21 = 17,940.63 : x
  2. Step 2: Convert to fraction form
    47,538.90/71,289.21 = 17,940.63/x
  3. Step 3: Cross multiply
    47,538.90x = 71,289.21 × 17,940.63
  4. Step 4: Simplify right side
    47,538.90x = 1,278,973,339.60
  5. Step 5: Solve for x
    x = 1,278,973,339.60/47,538.90
  6. Step 6: Final answer
    x = 26,903.72

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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.