Home / 35,992.61-49,669.77-20,077.05

Finding the Fourth Proportional to 35,992.61, 49,669.77 and 20,077.05

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Solution

The fourth proportional to 35,992.61, 49,669.77 and 20,077.05 is: 27,706.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,992.61 : 49,669.77 = 20,077.05 : x
  2. Step 2: Convert to fraction form
    35,992.61/49,669.77 = 20,077.05/x
  3. Step 3: Cross multiply
    35,992.61x = 49,669.77 × 20,077.05
  4. Step 4: Simplify right side
    35,992.61x = 997,222,455.78
  5. Step 5: Solve for x
    x = 997,222,455.78/35,992.61
  6. Step 6: Final answer
    x = 27,706.32

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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.