Home / 30,766.64-42,468.50-18,023.92

Finding the Fourth Proportional to 30,766.64, 42,468.50 and 18,023.92

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Solution

The fourth proportional to 30,766.64, 42,468.50 and 18,023.92 is: 24,879.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,766.64 : 42,468.50 = 18,023.92 : x
  2. Step 2: Convert to fraction form
    30,766.64/42,468.50 = 18,023.92/x
  3. Step 3: Cross multiply
    30,766.64x = 42,468.50 × 18,023.92
  4. Step 4: Simplify right side
    30,766.64x = 765,448,785.41
  5. Step 5: Solve for x
    x = 765,448,785.41/30,766.64
  6. Step 6: Final answer
    x = 24,879.18

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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.