Home / 29,143.02-43,720.20-10,424.46

Finding the Fourth Proportional to 29,143.02, 43,720.20 and 10,424.46

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Solution

The fourth proportional to 29,143.02, 43,720.20 and 10,424.46 is: 15,638.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.02 : 43,720.20 = 10,424.46 : x
  2. Step 2: Convert to fraction form
    29,143.02/43,720.20 = 10,424.46/x
  3. Step 3: Cross multiply
    29,143.02x = 43,720.20 × 10,424.46
  4. Step 4: Simplify right side
    29,143.02x = 455,759,476.09
  5. Step 5: Solve for x
    x = 455,759,476.09/29,143.02
  6. Step 6: Final answer
    x = 15,638.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.