Home / 35,056.36-48,387.30-20,909.80

Finding the Fourth Proportional to 35,056.36, 48,387.30 and 20,909.80

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Solution

The fourth proportional to 35,056.36, 48,387.30 and 20,909.80 is: 28,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,056.36 : 48,387.30 = 20,909.80 : x
  2. Step 2: Convert to fraction form
    35,056.36/48,387.30 = 20,909.80/x
  3. Step 3: Cross multiply
    35,056.36x = 48,387.30 × 20,909.80
  4. Step 4: Simplify right side
    35,056.36x = 1,011,768,765.54
  5. Step 5: Solve for x
    x = 1,011,768,765.54/35,056.36
  6. Step 6: Final answer
    x = 28,861.20

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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.