Home / 34,699.35-47,885.77-20,367.62

Finding the Fourth Proportional to 34,699.35, 47,885.77 and 20,367.62

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Solution

The fourth proportional to 34,699.35, 47,885.77 and 20,367.62 is: 28,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,699.35 : 47,885.77 = 20,367.62 : x
  2. Step 2: Convert to fraction form
    34,699.35/47,885.77 = 20,367.62/x
  3. Step 3: Cross multiply
    34,699.35x = 47,885.77 × 20,367.62
  4. Step 4: Simplify right side
    34,699.35x = 975,319,166.77
  5. Step 5: Solve for x
    x = 975,319,166.77/34,699.35
  6. Step 6: Final answer
    x = 28,107.71

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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.