Home / 30,342.93-45,454.32-14,310.51

Finding the Fourth Proportional to 30,342.93, 45,454.32 and 14,310.51

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Solution

The fourth proportional to 30,342.93, 45,454.32 and 14,310.51 is: 21,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.93 : 45,454.32 = 14,310.51 : x
  2. Step 2: Convert to fraction form
    30,342.93/45,454.32 = 14,310.51/x
  3. Step 3: Cross multiply
    30,342.93x = 45,454.32 × 14,310.51
  4. Step 4: Simplify right side
    30,342.93x = 650,474,500.90
  5. Step 5: Solve for x
    x = 650,474,500.90/30,342.93
  6. Step 6: Final answer
    x = 21,437.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.