Home / 30,565.60-42,198-23,382.28

Finding the Fourth Proportional to 30,565.60, 42,198 and 23,382.28

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Solution

The fourth proportional to 30,565.60, 42,198 and 23,382.28 is: 32,280.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,565.60 : 42,198 = 23,382.28 : x
  2. Step 2: Convert to fraction form
    30,565.60/42,198 = 23,382.28/x
  3. Step 3: Cross multiply
    30,565.60x = 42,198 × 23,382.28
  4. Step 4: Simplify right side
    30,565.60x = 986,685,451.44
  5. Step 5: Solve for x
    x = 986,685,451.44/30,565.60
  6. Step 6: Final answer
    x = 32,280.91

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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.