Home / 52,781.42-72,835.64-28,903.48

Finding the Fourth Proportional to 52,781.42, 72,835.64 and 28,903.48

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Solution

The fourth proportional to 52,781.42, 72,835.64 and 28,903.48 is: 39,885.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.42 : 72,835.64 = 28,903.48 : x
  2. Step 2: Convert to fraction form
    52,781.42/72,835.64 = 28,903.48/x
  3. Step 3: Cross multiply
    52,781.42x = 72,835.64 × 28,903.48
  4. Step 4: Simplify right side
    52,781.42x = 2,105,203,464.03
  5. Step 5: Solve for x
    x = 2,105,203,464.03/52,781.42
  6. Step 6: Final answer
    x = 39,885.31

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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.