Home / 40,635.70-60,931.63-18,436.96

Finding the Fourth Proportional to 40,635.70, 60,931.63 and 18,436.96

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Solution

The fourth proportional to 40,635.70, 60,931.63 and 18,436.96 is: 27,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,635.70 : 60,931.63 = 18,436.96 : x
  2. Step 2: Convert to fraction form
    40,635.70/60,931.63 = 18,436.96/x
  3. Step 3: Cross multiply
    40,635.70x = 60,931.63 × 18,436.96
  4. Step 4: Simplify right side
    40,635.70x = 1,123,394,124.26
  5. Step 5: Solve for x
    x = 1,123,394,124.26/40,635.70
  6. Step 6: Final answer
    x = 27,645.50

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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.