Home / 63,380.27-87,465.80-34,699.45

Finding the Fourth Proportional to 63,380.27, 87,465.80 and 34,699.45

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Solution

The fourth proportional to 63,380.27, 87,465.80 and 34,699.45 is: 47,885.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.27 : 87,465.80 = 34,699.45 : x
  2. Step 2: Convert to fraction form
    63,380.27/87,465.80 = 34,699.45/x
  3. Step 3: Cross multiply
    63,380.27x = 87,465.80 × 34,699.45
  4. Step 4: Simplify right side
    63,380.27x = 3,035,015,021.89
  5. Step 5: Solve for x
    x = 3,035,015,021.89/63,380.27
  6. Step 6: Final answer
    x = 47,885.81

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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.