Home / 34,834.65-48,071.89-18,918.75

Finding the Fourth Proportional to 34,834.65, 48,071.89 and 18,918.75

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Solution

The fourth proportional to 34,834.65, 48,071.89 and 18,918.75 is: 26,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.65 : 48,071.89 = 18,918.75 : x
  2. Step 2: Convert to fraction form
    34,834.65/48,071.89 = 18,918.75/x
  3. Step 3: Cross multiply
    34,834.65x = 48,071.89 × 18,918.75
  4. Step 4: Simplify right side
    34,834.65x = 909,460,068.94
  5. Step 5: Solve for x
    x = 909,460,068.94/34,834.65
  6. Step 6: Final answer
    x = 26,107.91

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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.