Home / 35,353.26-48,784.59-20,815.13

Finding the Fourth Proportional to 35,353.26, 48,784.59 and 20,815.13

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Solution

The fourth proportional to 35,353.26, 48,784.59 and 20,815.13 is: 28,723.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,353.26 : 48,784.59 = 20,815.13 : x
  2. Step 2: Convert to fraction form
    35,353.26/48,784.59 = 20,815.13/x
  3. Step 3: Cross multiply
    35,353.26x = 48,784.59 × 20,815.13
  4. Step 4: Simplify right side
    35,353.26x = 1,015,457,756.85
  5. Step 5: Solve for x
    x = 1,015,457,756.85/35,353.26
  6. Step 6: Final answer
    x = 28,723.17

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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.