Home / 35,679.86-49,236.10-19,543.96

Finding the Fourth Proportional to 35,679.86, 49,236.10 and 19,543.96

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Solution

The fourth proportional to 35,679.86, 49,236.10 and 19,543.96 is: 26,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.86 : 49,236.10 = 19,543.96 : x
  2. Step 2: Convert to fraction form
    35,679.86/49,236.10 = 19,543.96/x
  3. Step 3: Cross multiply
    35,679.86x = 49,236.10 × 19,543.96
  4. Step 4: Simplify right side
    35,679.86x = 962,268,368.96
  5. Step 5: Solve for x
    x = 962,268,368.96/35,679.86
  6. Step 6: Final answer
    x = 26,969.51

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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.