Home / 51,717.48-77,574.67-14,279.84

Finding the Fourth Proportional to 51,717.48, 77,574.67 and 14,279.84

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Solution

The fourth proportional to 51,717.48, 77,574.67 and 14,279.84 is: 21,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,717.48 : 77,574.67 = 14,279.84 : x
  2. Step 2: Convert to fraction form
    51,717.48/77,574.67 = 14,279.84/x
  3. Step 3: Cross multiply
    51,717.48x = 77,574.67 × 14,279.84
  4. Step 4: Simplify right side
    51,717.48x = 1,107,753,416.38
  5. Step 5: Solve for x
    x = 1,107,753,416.38/51,717.48
  6. Step 6: Final answer
    x = 21,419.33

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1.5x scale

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.