Home / 34,400.49-47,458.08-20,969.88

Finding the Fourth Proportional to 34,400.49, 47,458.08 and 20,969.88

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Solution

The fourth proportional to 34,400.49, 47,458.08 and 20,969.88 is: 28,929.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,400.49 : 47,458.08 = 20,969.88 : x
  2. Step 2: Convert to fraction form
    34,400.49/47,458.08 = 20,969.88/x
  3. Step 3: Cross multiply
    34,400.49x = 47,458.08 × 20,969.88
  4. Step 4: Simplify right side
    34,400.49x = 995,190,242.63
  5. Step 5: Solve for x
    x = 995,190,242.63/34,400.49
  6. Step 6: Final answer
    x = 28,929.54

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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.