Home / 40,731.42-56,210.04-22,830.42

Finding the Fourth Proportional to 40,731.42, 56,210.04 and 22,830.42

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Solution

The fourth proportional to 40,731.42, 56,210.04 and 22,830.42 is: 31,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,731.42 : 56,210.04 = 22,830.42 : x
  2. Step 2: Convert to fraction form
    40,731.42/56,210.04 = 22,830.42/x
  3. Step 3: Cross multiply
    40,731.42x = 56,210.04 × 22,830.42
  4. Step 4: Simplify right side
    40,731.42x = 1,283,298,821.42
  5. Step 5: Solve for x
    x = 1,283,298,821.42/40,731.42
  6. Step 6: Final answer
    x = 31,506.36

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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.