Home / 34,503.65-51,766.40-12,316.53

Finding the Fourth Proportional to 34,503.65, 51,766.40 and 12,316.53

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Solution

The fourth proportional to 34,503.65, 51,766.40 and 12,316.53 is: 18,478.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,503.65 : 51,766.40 = 12,316.53 : x
  2. Step 2: Convert to fraction form
    34,503.65/51,766.40 = 12,316.53/x
  3. Step 3: Cross multiply
    34,503.65x = 51,766.40 × 12,316.53
  4. Step 4: Simplify right side
    34,503.65x = 637,582,418.59
  5. Step 5: Solve for x
    x = 637,582,418.59/34,503.65
  6. Step 6: Final answer
    x = 18,478.69

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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.