Home / 40,730.88-56,209.92-22,828.80

Finding the Fourth Proportional to 40,730.88, 56,209.92 and 22,828.80

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Solution

The fourth proportional to 40,730.88, 56,209.92 and 22,828.80 is: 31,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.88 : 56,209.92 = 22,828.80 : x
  2. Step 2: Convert to fraction form
    40,730.88/56,209.92 = 22,828.80/x
  3. Step 3: Cross multiply
    40,730.88x = 56,209.92 × 22,828.80
  4. Step 4: Simplify right side
    40,730.88x = 1,283,205,021.70
  5. Step 5: Solve for x
    x = 1,283,205,021.70/40,730.88
  6. Step 6: Final answer
    x = 31,504.48

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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.