Home / 35,139.59-52,716.43-12,953.08

Finding the Fourth Proportional to 35,139.59, 52,716.43 and 12,953.08

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Solution

The fourth proportional to 35,139.59, 52,716.43 and 12,953.08 is: 19,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,139.59 : 52,716.43 = 12,953.08 : x
  2. Step 2: Convert to fraction form
    35,139.59/52,716.43 = 12,953.08/x
  3. Step 3: Cross multiply
    35,139.59x = 52,716.43 × 12,953.08
  4. Step 4: Simplify right side
    35,139.59x = 682,839,871.52
  5. Step 5: Solve for x
    x = 682,839,871.52/35,139.59
  6. Step 6: Final answer
    x = 19,432.21

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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.