Home / 30,689.65-42,375.55-23,963.61

Finding the Fourth Proportional to 30,689.65, 42,375.55 and 23,963.61

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Solution

The fourth proportional to 30,689.65, 42,375.55 and 23,963.61 is: 33,088.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689.65 : 42,375.55 = 23,963.61 : x
  2. Step 2: Convert to fraction form
    30,689.65/42,375.55 = 23,963.61/x
  3. Step 3: Cross multiply
    30,689.65x = 42,375.55 × 23,963.61
  4. Step 4: Simplify right side
    30,689.65x = 1,015,471,093.83
  5. Step 5: Solve for x
    x = 1,015,471,093.83/30,689.65
  6. Step 6: Final answer
    x = 33,088.39

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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.