Home / 35,981.33-49,653.13-20,068.47

Finding the Fourth Proportional to 35,981.33, 49,653.13 and 20,068.47

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Solution

The fourth proportional to 35,981.33, 49,653.13 and 20,068.47 is: 27,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.33 : 49,653.13 = 20,068.47 : x
  2. Step 2: Convert to fraction form
    35,981.33/49,653.13 = 20,068.47/x
  3. Step 3: Cross multiply
    35,981.33x = 49,653.13 × 20,068.47
  4. Step 4: Simplify right side
    35,981.33x = 996,462,349.81
  5. Step 5: Solve for x
    x = 996,462,349.81/35,981.33
  6. Step 6: Final answer
    x = 27,693.87

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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.