Home / 45,862.30-68,788.82-12,585.72

Finding the Fourth Proportional to 45,862.30, 68,788.82 and 12,585.72

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Solution

The fourth proportional to 45,862.30, 68,788.82 and 12,585.72 is: 18,877.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.30 : 68,788.82 = 12,585.72 : x
  2. Step 2: Convert to fraction form
    45,862.30/68,788.82 = 12,585.72/x
  3. Step 3: Cross multiply
    45,862.30x = 68,788.82 × 12,585.72
  4. Step 4: Simplify right side
    45,862.30x = 865,756,827.65
  5. Step 5: Solve for x
    x = 865,756,827.65/45,862.30
  6. Step 6: Final answer
    x = 18,877.31

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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.