Home / 38,830.65-58,246.04-11,813.22

Finding the Fourth Proportional to 38,830.65, 58,246.04 and 11,813.22

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Solution

The fourth proportional to 38,830.65, 58,246.04 and 11,813.22 is: 17,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,830.65 : 58,246.04 = 11,813.22 : x
  2. Step 2: Convert to fraction form
    38,830.65/58,246.04 = 11,813.22/x
  3. Step 3: Cross multiply
    38,830.65x = 58,246.04 × 11,813.22
  4. Step 4: Simplify right side
    38,830.65x = 688,073,225.58
  5. Step 5: Solve for x
    x = 688,073,225.58/38,830.65
  6. Step 6: Final answer
    x = 17,719.85

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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.