Home / 34,056.33-51,077.48-12,991.64

Finding the Fourth Proportional to 34,056.33, 51,077.48 and 12,991.64

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Solution

The fourth proportional to 34,056.33, 51,077.48 and 12,991.64 is: 19,484.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,056.33 : 51,077.48 = 12,991.64 : x
  2. Step 2: Convert to fraction form
    34,056.33/51,077.48 = 12,991.64/x
  3. Step 3: Cross multiply
    34,056.33x = 51,077.48 × 12,991.64
  4. Step 4: Simplify right side
    34,056.33x = 663,579,911.92
  5. Step 5: Solve for x
    x = 663,579,911.92/34,056.33
  6. Step 6: Final answer
    x = 19,484.77

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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.