Home / 33,312.86-45,970.94-18,205.56

Finding the Fourth Proportional to 33,312.86, 45,970.94 and 18,205.56

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Solution

The fourth proportional to 33,312.86, 45,970.94 and 18,205.56 is: 25,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,312.86 : 45,970.94 = 18,205.56 : x
  2. Step 2: Convert to fraction form
    33,312.86/45,970.94 = 18,205.56/x
  3. Step 3: Cross multiply
    33,312.86x = 45,970.94 × 18,205.56
  4. Step 4: Simplify right side
    33,312.86x = 836,926,706.43
  5. Step 5: Solve for x
    x = 836,926,706.43/33,312.86
  6. Step 6: Final answer
    x = 25,123.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.