Home / 34,199.94-47,189.88-20,768.52

Finding the Fourth Proportional to 34,199.94, 47,189.88 and 20,768.52

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Solution

The fourth proportional to 34,199.94, 47,189.88 and 20,768.52 is: 28,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,199.94 : 47,189.88 = 20,768.52 : x
  2. Step 2: Convert to fraction form
    34,199.94/47,189.88 = 20,768.52/x
  3. Step 3: Cross multiply
    34,199.94x = 47,189.88 × 20,768.52
  4. Step 4: Simplify right side
    34,199.94x = 980,063,966.58
  5. Step 5: Solve for x
    x = 980,063,966.58/34,199.94
  6. Step 6: Final answer
    x = 28,656.89

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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.