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Finding the Fourth Proportional to 35,580.74, 53,371.04 and 33,415.61

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Solution

The fourth proportional to 35,580.74, 53,371.04 and 33,415.61 is: 50,123.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,580.74 : 53,371.04 = 33,415.61 : x
  2. Step 2: Convert to fraction form
    35,580.74/53,371.04 = 33,415.61/x
  3. Step 3: Cross multiply
    35,580.74x = 53,371.04 × 33,415.61
  4. Step 4: Simplify right side
    35,580.74x = 1,783,425,857.93
  5. Step 5: Solve for x
    x = 1,783,425,857.93/35,580.74
  6. Step 6: Final answer
    x = 50,123.35

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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.