Home / 40,785.73-56,284.12-22,880.80

Finding the Fourth Proportional to 40,785.73, 56,284.12 and 22,880.80

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Solution

The fourth proportional to 40,785.73, 56,284.12 and 22,880.80 is: 31,575.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,785.73 : 56,284.12 = 22,880.80 : x
  2. Step 2: Convert to fraction form
    40,785.73/56,284.12 = 22,880.80/x
  3. Step 3: Cross multiply
    40,785.73x = 56,284.12 × 22,880.80
  4. Step 4: Simplify right side
    40,785.73x = 1,287,825,821.45
  5. Step 5: Solve for x
    x = 1,287,825,821.45/40,785.73
  6. Step 6: Final answer
    x = 31,575.40

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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.