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Finding the Fourth Proportional to 34,288.51, 51,429.11 and 10,913.12

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Solution

The fourth proportional to 34,288.51, 51,429.11 and 10,913.12 is: 16,368.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.51 : 51,429.11 = 10,913.12 : x
  2. Step 2: Convert to fraction form
    34,288.51/51,429.11 = 10,913.12/x
  3. Step 3: Cross multiply
    34,288.51x = 51,429.11 × 10,913.12
  4. Step 4: Simplify right side
    34,288.51x = 561,252,204.78
  5. Step 5: Solve for x
    x = 561,252,204.78/34,288.51
  6. Step 6: Final answer
    x = 16,368.52

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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.