Home / 34,730.36-51,981.88-18,895.84

Finding the Fourth Proportional to 34,730.36, 51,981.88 and 18,895.84

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Solution

The fourth proportional to 34,730.36, 51,981.88 and 18,895.84 is: 28,281.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,730.36 : 51,981.88 = 18,895.84 : x
  2. Step 2: Convert to fraction form
    34,730.36/51,981.88 = 18,895.84/x
  3. Step 3: Cross multiply
    34,730.36x = 51,981.88 × 18,895.84
  4. Step 4: Simplify right side
    34,730.36x = 982,241,287.38
  5. Step 5: Solve for x
    x = 982,241,287.38/34,730.36
  6. Step 6: Final answer
    x = 28,281.92

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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.