Home / 35,678.82-49,240.41-20,572.02

Finding the Fourth Proportional to 35,678.82, 49,240.41 and 20,572.02

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Solution

The fourth proportional to 35,678.82, 49,240.41 and 20,572.02 is: 28,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.82 : 49,240.41 = 20,572.02 : x
  2. Step 2: Convert to fraction form
    35,678.82/49,240.41 = 20,572.02/x
  3. Step 3: Cross multiply
    35,678.82x = 49,240.41 × 20,572.02
  4. Step 4: Simplify right side
    35,678.82x = 1,012,974,699.33
  5. Step 5: Solve for x
    x = 1,012,974,699.33/35,678.82
  6. Step 6: Final answer
    x = 28,391.49

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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.