Home / 35,106.13-52,680-12,935.06

Finding the Fourth Proportional to 35,106.13, 52,680 and 12,935.06

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Solution

The fourth proportional to 35,106.13, 52,680 and 12,935.06 is: 19,410.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,106.13 : 52,680 = 12,935.06 : x
  2. Step 2: Convert to fraction form
    35,106.13/52,680 = 12,935.06/x
  3. Step 3: Cross multiply
    35,106.13x = 52,680 × 12,935.06
  4. Step 4: Simplify right side
    35,106.13x = 681,418,960.80
  5. Step 5: Solve for x
    x = 681,418,960.80/35,106.13
  6. Step 6: Final answer
    x = 19,410.26

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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.