Home / 51,446.48-77,178.29-17,711.19

Finding the Fourth Proportional to 51,446.48, 77,178.29 and 17,711.19

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Solution

The fourth proportional to 51,446.48, 77,178.29 and 17,711.19 is: 26,569.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,446.48 : 77,178.29 = 17,711.19 : x
  2. Step 2: Convert to fraction form
    51,446.48/77,178.29 = 17,711.19/x
  3. Step 3: Cross multiply
    51,446.48x = 77,178.29 × 17,711.19
  4. Step 4: Simplify right side
    51,446.48x = 1,366,919,269.51
  5. Step 5: Solve for x
    x = 1,366,919,269.51/51,446.48
  6. Step 6: Final answer
    x = 26,569.74

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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.