Home / 40,780.52-56,281.38-22,880.36

Finding the Fourth Proportional to 40,780.52, 56,281.38 and 22,880.36

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Solution

The fourth proportional to 40,780.52, 56,281.38 and 22,880.36 is: 31,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.52 : 56,281.38 = 22,880.36 : x
  2. Step 2: Convert to fraction form
    40,780.52/56,281.38 = 22,880.36/x
  3. Step 3: Cross multiply
    40,780.52x = 56,281.38 × 22,880.36
  4. Step 4: Simplify right side
    40,780.52x = 1,287,738,235.70
  5. Step 5: Solve for x
    x = 1,287,738,235.70/40,780.52
  6. Step 6: Final answer
    x = 31,577.29

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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.