Home / 36,294.48-54,428.40-12,916.08

Finding the Fourth Proportional to 36,294.48, 54,428.40 and 12,916.08

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Solution

The fourth proportional to 36,294.48, 54,428.40 and 12,916.08 is: 19,369.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,294.48 : 54,428.40 = 12,916.08 : x
  2. Step 2: Convert to fraction form
    36,294.48/54,428.40 = 12,916.08/x
  3. Step 3: Cross multiply
    36,294.48x = 54,428.40 × 12,916.08
  4. Step 4: Simplify right side
    36,294.48x = 703,001,568.67
  5. Step 5: Solve for x
    x = 703,001,568.67/36,294.48
  6. Step 6: Final answer
    x = 19,369.38

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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.