Home / 35,388.34-48,835.62-20,077.80

Finding the Fourth Proportional to 35,388.34, 48,835.62 and 20,077.80

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Solution

The fourth proportional to 35,388.34, 48,835.62 and 20,077.80 is: 27,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,388.34 : 48,835.62 = 20,077.80 : x
  2. Step 2: Convert to fraction form
    35,388.34/48,835.62 = 20,077.80/x
  3. Step 3: Cross multiply
    35,388.34x = 48,835.62 × 20,077.80
  4. Step 4: Simplify right side
    35,388.34x = 980,511,811.24
  5. Step 5: Solve for x
    x = 980,511,811.24/35,388.34
  6. Step 6: Final answer
    x = 27,707.20

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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.