Home / 52,403.31-72,318.08-28,530.39

Finding the Fourth Proportional to 52,403.31, 72,318.08 and 28,530.39

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Solution

The fourth proportional to 52,403.31, 72,318.08 and 28,530.39 is: 39,372.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,403.31 : 72,318.08 = 28,530.39 : x
  2. Step 2: Convert to fraction form
    52,403.31/72,318.08 = 28,530.39/x
  3. Step 3: Cross multiply
    52,403.31x = 72,318.08 × 28,530.39
  4. Step 4: Simplify right side
    52,403.31x = 2,063,263,026.45
  5. Step 5: Solve for x
    x = 2,063,263,026.45/52,403.31
  6. Step 6: Final answer
    x = 39,372.76

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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.