Home / 35,909.96-49,551.48-20,800.53

Finding the Fourth Proportional to 35,909.96, 49,551.48 and 20,800.53

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Solution

The fourth proportional to 35,909.96, 49,551.48 and 20,800.53 is: 28,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.96 : 49,551.48 = 20,800.53 : x
  2. Step 2: Convert to fraction form
    35,909.96/49,551.48 = 20,800.53/x
  3. Step 3: Cross multiply
    35,909.96x = 49,551.48 × 20,800.53
  4. Step 4: Simplify right side
    35,909.96x = 1,030,697,046.28
  5. Step 5: Solve for x
    x = 1,030,697,046.28/35,909.96
  6. Step 6: Final answer
    x = 28,702.27

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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.