Home / 35,513.13-49,010.35-20,200.57

Finding the Fourth Proportional to 35,513.13, 49,010.35 and 20,200.57

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Solution

The fourth proportional to 35,513.13, 49,010.35 and 20,200.57 is: 27,878.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,513.13 : 49,010.35 = 20,200.57 : x
  2. Step 2: Convert to fraction form
    35,513.13/49,010.35 = 20,200.57/x
  3. Step 3: Cross multiply
    35,513.13x = 49,010.35 × 20,200.57
  4. Step 4: Simplify right side
    35,513.13x = 990,037,146.43
  5. Step 5: Solve for x
    x = 990,037,146.43/35,513.13
  6. Step 6: Final answer
    x = 27,878.06

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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.