Home / 34,556.88-47,685.84-20,407.02

Finding the Fourth Proportional to 34,556.88, 47,685.84 and 20,407.02

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Solution

The fourth proportional to 34,556.88, 47,685.84 and 20,407.02 is: 28,160.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,556.88 : 47,685.84 = 20,407.02 : x
  2. Step 2: Convert to fraction form
    34,556.88/47,685.84 = 20,407.02/x
  3. Step 3: Cross multiply
    34,556.88x = 47,685.84 × 20,407.02
  4. Step 4: Simplify right side
    34,556.88x = 973,125,890.60
  5. Step 5: Solve for x
    x = 973,125,890.60/34,556.88
  6. Step 6: Final answer
    x = 28,160.12

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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.