Home / 35,655.84-53,536.32-19,891.66

Finding the Fourth Proportional to 35,655.84, 53,536.32 and 19,891.66

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Solution

The fourth proportional to 35,655.84, 53,536.32 and 19,891.66 is: 29,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,655.84 : 53,536.32 = 19,891.66 : x
  2. Step 2: Convert to fraction form
    35,655.84/53,536.32 = 19,891.66/x
  3. Step 3: Cross multiply
    35,655.84x = 53,536.32 × 19,891.66
  4. Step 4: Simplify right side
    35,655.84x = 1,064,926,275.09
  5. Step 5: Solve for x
    x = 1,064,926,275.09/35,655.84
  6. Step 6: Final answer
    x = 29,866.81

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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.