Home / 40,735.04-56,213.86-22,830

Finding the Fourth Proportional to 40,735.04, 56,213.86 and 22,830

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Solution

The fourth proportional to 40,735.04, 56,213.86 and 22,830 is: 31,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,735.04 : 56,213.86 = 22,830 : x
  2. Step 2: Convert to fraction form
    40,735.04/56,213.86 = 22,830/x
  3. Step 3: Cross multiply
    40,735.04x = 56,213.86 × 22,830
  4. Step 4: Simplify right side
    40,735.04x = 1,283,362,423.80
  5. Step 5: Solve for x
    x = 1,283,362,423.80/40,735.04
  6. Step 6: Final answer
    x = 31,505.12

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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.