Home / 32,747.32-45,188.94-20,172.28

Finding the Fourth Proportional to 32,747.32, 45,188.94 and 20,172.28

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Solution

The fourth proportional to 32,747.32, 45,188.94 and 20,172.28 is: 27,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,747.32 : 45,188.94 = 20,172.28 : x
  2. Step 2: Convert to fraction form
    32,747.32/45,188.94 = 20,172.28/x
  3. Step 3: Cross multiply
    32,747.32x = 45,188.94 × 20,172.28
  4. Step 4: Simplify right side
    32,747.32x = 911,563,950.58
  5. Step 5: Solve for x
    x = 911,563,950.58/32,747.32
  6. Step 6: Final answer
    x = 27,836.29

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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.