Home / 35,825.39-49,435.11-20,715.77

Finding the Fourth Proportional to 35,825.39, 49,435.11 and 20,715.77

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Solution

The fourth proportional to 35,825.39, 49,435.11 and 20,715.77 is: 28,585.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.39 : 49,435.11 = 20,715.77 : x
  2. Step 2: Convert to fraction form
    35,825.39/49,435.11 = 20,715.77/x
  3. Step 3: Cross multiply
    35,825.39x = 49,435.11 × 20,715.77
  4. Step 4: Simplify right side
    35,825.39x = 1,024,086,368.68
  5. Step 5: Solve for x
    x = 1,024,086,368.68/35,825.39
  6. Step 6: Final answer
    x = 28,585.49

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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.