Home / 53,271.20-79,906.80-29,894.60

Finding the Fourth Proportional to 53,271.20, 79,906.80 and 29,894.60

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Solution

The fourth proportional to 53,271.20, 79,906.80 and 29,894.60 is: 44,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,271.20 : 79,906.80 = 29,894.60 : x
  2. Step 2: Convert to fraction form
    53,271.20/79,906.80 = 29,894.60/x
  3. Step 3: Cross multiply
    53,271.20x = 79,906.80 × 29,894.60
  4. Step 4: Simplify right side
    53,271.20x = 2,388,781,823.28
  5. Step 5: Solve for x
    x = 2,388,781,823.28/53,271.20
  6. Step 6: Final answer
    x = 44,841.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.