Home / 34,553.88-47,681.70-20,404.02

Finding the Fourth Proportional to 34,553.88, 47,681.70 and 20,404.02

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Solution

The fourth proportional to 34,553.88, 47,681.70 and 20,404.02 is: 28,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,553.88 : 47,681.70 = 20,404.02 : x
  2. Step 2: Convert to fraction form
    34,553.88/47,681.70 = 20,404.02/x
  3. Step 3: Cross multiply
    34,553.88x = 47,681.70 × 20,404.02
  4. Step 4: Simplify right side
    34,553.88x = 972,898,360.43
  5. Step 5: Solve for x
    x = 972,898,360.43/34,553.88
  6. Step 6: Final answer
    x = 28,155.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.