Home / 30,930.93-46,628.18-28,871.12

Finding the Fourth Proportional to 30,930.93, 46,628.18 and 28,871.12

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Solution

The fourth proportional to 30,930.93, 46,628.18 and 28,871.12 is: 43,523.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,930.93 : 46,628.18 = 28,871.12 : x
  2. Step 2: Convert to fraction form
    30,930.93/46,628.18 = 28,871.12/x
  3. Step 3: Cross multiply
    30,930.93x = 46,628.18 × 28,871.12
  4. Step 4: Simplify right side
    30,930.93x = 1,346,207,402.67
  5. Step 5: Solve for x
    x = 1,346,207,402.67/30,930.93
  6. Step 6: Final answer
    x = 43,523.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.