Home / 35,131.64-52,700.20-10,172.06

Finding the Fourth Proportional to 35,131.64, 52,700.20 and 10,172.06

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Solution

The fourth proportional to 35,131.64, 52,700.20 and 10,172.06 is: 15,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.64 : 52,700.20 = 10,172.06 : x
  2. Step 2: Convert to fraction form
    35,131.64/52,700.20 = 10,172.06/x
  3. Step 3: Cross multiply
    35,131.64x = 52,700.20 × 10,172.06
  4. Step 4: Simplify right side
    35,131.64x = 536,069,307.48
  5. Step 5: Solve for x
    x = 536,069,307.48/35,131.64
  6. Step 6: Final answer
    x = 15,258.88

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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.