Home / 35,655.74-49,205.31-19,740.47

Finding the Fourth Proportional to 35,655.74, 49,205.31 and 19,740.47

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Solution

The fourth proportional to 35,655.74, 49,205.31 and 19,740.47 is: 27,242.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.74 : 49,205.31 = 19,740.47 : x
  2. Step 2: Convert to fraction form
    35,655.74/49,205.31 = 19,740.47/x
  3. Step 3: Cross multiply
    35,655.74x = 49,205.31 × 19,740.47
  4. Step 4: Simplify right side
    35,655.74x = 971,335,945.90
  5. Step 5: Solve for x
    x = 971,335,945.90/35,655.74
  6. Step 6: Final answer
    x = 27,242.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.