Home / 31,629.53-47,445.14-13,851.01

Finding the Fourth Proportional to 31,629.53, 47,445.14 and 13,851.01

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Solution

The fourth proportional to 31,629.53, 47,445.14 and 13,851.01 is: 20,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.53 : 47,445.14 = 13,851.01 : x
  2. Step 2: Convert to fraction form
    31,629.53/47,445.14 = 13,851.01/x
  3. Step 3: Cross multiply
    31,629.53x = 47,445.14 × 13,851.01
  4. Step 4: Simplify right side
    31,629.53x = 657,162,802.11
  5. Step 5: Solve for x
    x = 657,162,802.11/31,629.53
  6. Step 6: Final answer
    x = 20,776.88

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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.