Home / 52,668.69-72,678.15-30,006.81

Finding the Fourth Proportional to 52,668.69, 72,678.15 and 30,006.81

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Solution

The fourth proportional to 52,668.69, 72,678.15 and 30,006.81 is: 41,406.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,668.69 : 72,678.15 = 30,006.81 : x
  2. Step 2: Convert to fraction form
    52,668.69/72,678.15 = 30,006.81/x
  3. Step 3: Cross multiply
    52,668.69x = 72,678.15 × 30,006.81
  4. Step 4: Simplify right side
    52,668.69x = 2,180,839,438.20
  5. Step 5: Solve for x
    x = 2,180,839,438.20/52,668.69
  6. Step 6: Final answer
    x = 41,406.75

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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.