Home / 35,405.38-48,860.04-20,300.50

Finding the Fourth Proportional to 35,405.38, 48,860.04 and 20,300.50

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Solution

The fourth proportional to 35,405.38, 48,860.04 and 20,300.50 is: 28,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.38 : 48,860.04 = 20,300.50 : x
  2. Step 2: Convert to fraction form
    35,405.38/48,860.04 = 20,300.50/x
  3. Step 3: Cross multiply
    35,405.38x = 48,860.04 × 20,300.50
  4. Step 4: Simplify right side
    35,405.38x = 991,883,242.02
  5. Step 5: Solve for x
    x = 991,883,242.02/35,405.38
  6. Step 6: Final answer
    x = 28,015.04

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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.