Home / 54,066.71-81,100.04-39,369.13

Finding the Fourth Proportional to 54,066.71, 81,100.04 and 39,369.13

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Solution

The fourth proportional to 54,066.71, 81,100.04 and 39,369.13 is: 59,053.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,066.71 : 81,100.04 = 39,369.13 : x
  2. Step 2: Convert to fraction form
    54,066.71/81,100.04 = 39,369.13/x
  3. Step 3: Cross multiply
    54,066.71x = 81,100.04 × 39,369.13
  4. Step 4: Simplify right side
    54,066.71x = 3,192,837,618.17
  5. Step 5: Solve for x
    x = 3,192,837,618.17/54,066.71
  6. Step 6: Final answer
    x = 59,053.67

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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.