Home / 41,125.51-61,679.05-18,917.56

Finding the Fourth Proportional to 41,125.51, 61,679.05 and 18,917.56

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Solution

The fourth proportional to 41,125.51, 61,679.05 and 18,917.56 is: 28,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,125.51 : 61,679.05 = 18,917.56 : x
  2. Step 2: Convert to fraction form
    41,125.51/61,679.05 = 18,917.56/x
  3. Step 3: Cross multiply
    41,125.51x = 61,679.05 × 18,917.56
  4. Step 4: Simplify right side
    41,125.51x = 1,166,817,158.92
  5. Step 5: Solve for x
    x = 1,166,817,158.92/41,125.51
  6. Step 6: Final answer
    x = 28,372.10

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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.