Home / 30,843.88-42,562.90-18,095.32

Finding the Fourth Proportional to 30,843.88, 42,562.90 and 18,095.32

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Solution

The fourth proportional to 30,843.88, 42,562.90 and 18,095.32 is: 24,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,843.88 : 42,562.90 = 18,095.32 : x
  2. Step 2: Convert to fraction form
    30,843.88/42,562.90 = 18,095.32/x
  3. Step 3: Cross multiply
    30,843.88x = 42,562.90 × 18,095.32
  4. Step 4: Simplify right side
    30,843.88x = 770,189,295.63
  5. Step 5: Solve for x
    x = 770,189,295.63/30,843.88
  6. Step 6: Final answer
    x = 24,970.57

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1.5x scale

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.