Home / 35,811.96-49,420.50-19,897.86

Finding the Fourth Proportional to 35,811.96, 49,420.50 and 19,897.86

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Solution

The fourth proportional to 35,811.96, 49,420.50 and 19,897.86 is: 27,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,811.96 : 49,420.50 = 19,897.86 : x
  2. Step 2: Convert to fraction form
    35,811.96/49,420.50 = 19,897.86/x
  3. Step 3: Cross multiply
    35,811.96x = 49,420.50 × 19,897.86
  4. Step 4: Simplify right side
    35,811.96x = 983,362,190.13
  5. Step 5: Solve for x
    x = 983,362,190.13/35,811.96
  6. Step 6: Final answer
    x = 27,459.04

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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.