Home / 34,336.78-47,387.77-19,229.20

Finding the Fourth Proportional to 34,336.78, 47,387.77 and 19,229.20

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Solution

The fourth proportional to 34,336.78, 47,387.77 and 19,229.20 is: 26,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,336.78 : 47,387.77 = 19,229.20 : x
  2. Step 2: Convert to fraction form
    34,336.78/47,387.77 = 19,229.20/x
  3. Step 3: Cross multiply
    34,336.78x = 47,387.77 × 19,229.20
  4. Step 4: Simplify right side
    34,336.78x = 911,228,740.34
  5. Step 5: Solve for x
    x = 911,228,740.34/34,336.78
  6. Step 6: Final answer
    x = 26,537.98

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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.