Home / 34,507.64-51,772.40-12,320.54

Finding the Fourth Proportional to 34,507.64, 51,772.40 and 12,320.54

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Solution

The fourth proportional to 34,507.64, 51,772.40 and 12,320.54 is: 18,484.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.64 : 51,772.40 = 12,320.54 : x
  2. Step 2: Convert to fraction form
    34,507.64/51,772.40 = 12,320.54/x
  3. Step 3: Cross multiply
    34,507.64x = 51,772.40 × 12,320.54
  4. Step 4: Simplify right side
    34,507.64x = 637,863,925.10
  5. Step 5: Solve for x
    x = 637,863,925.10/34,507.64
  6. Step 6: Final answer
    x = 18,484.72

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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.