Home / 47,602.42-71,400.75-12,542.02

Finding the Fourth Proportional to 47,602.42, 71,400.75 and 12,542.02

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Solution

The fourth proportional to 47,602.42, 71,400.75 and 12,542.02 is: 18,812.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,602.42 : 71,400.75 = 12,542.02 : x
  2. Step 2: Convert to fraction form
    47,602.42/71,400.75 = 12,542.02/x
  3. Step 3: Cross multiply
    47,602.42x = 71,400.75 × 12,542.02
  4. Step 4: Simplify right side
    47,602.42x = 895,509,634.52
  5. Step 5: Solve for x
    x = 895,509,634.52/47,602.42
  6. Step 6: Final answer
    x = 18,812.27

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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.