Home / 35,445.76-48,922.22-20,348.62

Finding the Fourth Proportional to 35,445.76, 48,922.22 and 20,348.62

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Solution

The fourth proportional to 35,445.76, 48,922.22 and 20,348.62 is: 28,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.76 : 48,922.22 = 20,348.62 : x
  2. Step 2: Convert to fraction form
    35,445.76/48,922.22 = 20,348.62/x
  3. Step 3: Cross multiply
    35,445.76x = 48,922.22 × 20,348.62
  4. Step 4: Simplify right side
    35,445.76x = 995,499,664.34
  5. Step 5: Solve for x
    x = 995,499,664.34/35,445.76
  6. Step 6: Final answer
    x = 28,085.16

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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.