Home / 34,479.84-51,719.28-11,106.40

Finding the Fourth Proportional to 34,479.84, 51,719.28 and 11,106.40

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Solution

The fourth proportional to 34,479.84, 51,719.28 and 11,106.40 is: 16,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,479.84 : 51,719.28 = 11,106.40 : x
  2. Step 2: Convert to fraction form
    34,479.84/51,719.28 = 11,106.40/x
  3. Step 3: Cross multiply
    34,479.84x = 51,719.28 × 11,106.40
  4. Step 4: Simplify right side
    34,479.84x = 574,415,011.39
  5. Step 5: Solve for x
    x = 574,415,011.39/34,479.84
  6. Step 6: Final answer
    x = 16,659.45

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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.