Home / 34,289.88-47,329.20-20,152.14

Finding the Fourth Proportional to 34,289.88, 47,329.20 and 20,152.14

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Solution

The fourth proportional to 34,289.88, 47,329.20 and 20,152.14 is: 27,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,289.88 : 47,329.20 = 20,152.14 : x
  2. Step 2: Convert to fraction form
    34,289.88/47,329.20 = 20,152.14/x
  3. Step 3: Cross multiply
    34,289.88x = 47,329.20 × 20,152.14
  4. Step 4: Simplify right side
    34,289.88x = 953,784,664.49
  5. Step 5: Solve for x
    x = 953,784,664.49/34,289.88
  6. Step 6: Final answer
    x = 27,815.34

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1.5x scale

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.