Home / 35,997.36-49,670.40-20,081.28

Finding the Fourth Proportional to 35,997.36, 49,670.40 and 20,081.28

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Solution

The fourth proportional to 35,997.36, 49,670.40 and 20,081.28 is: 27,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,997.36 : 49,670.40 = 20,081.28 : x
  2. Step 2: Convert to fraction form
    35,997.36/49,670.40 = 20,081.28/x
  3. Step 3: Cross multiply
    35,997.36x = 49,670.40 × 20,081.28
  4. Step 4: Simplify right side
    35,997.36x = 997,445,210.11
  5. Step 5: Solve for x
    x = 997,445,210.11/35,997.36
  6. Step 6: Final answer
    x = 27,708.84

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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.