Home / 35,713.14-49,272.99-20,603.79

Finding the Fourth Proportional to 35,713.14, 49,272.99 and 20,603.79

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Solution

The fourth proportional to 35,713.14, 49,272.99 and 20,603.79 is: 28,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,713.14 : 49,272.99 = 20,603.79 : x
  2. Step 2: Convert to fraction form
    35,713.14/49,272.99 = 20,603.79/x
  3. Step 3: Cross multiply
    35,713.14x = 49,272.99 × 20,603.79
  4. Step 4: Simplify right side
    35,713.14x = 1,015,210,338.63
  5. Step 5: Solve for x
    x = 1,015,210,338.63/35,713.14
  6. Step 6: Final answer
    x = 28,426.80

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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.