Home / 32,940.32-49,420.98-20,419.28

Finding the Fourth Proportional to 32,940.32, 49,420.98 and 20,419.28

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Solution

The fourth proportional to 32,940.32, 49,420.98 and 20,419.28 is: 30,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.32 : 49,420.98 = 20,419.28 : x
  2. Step 2: Convert to fraction form
    32,940.32/49,420.98 = 20,419.28/x
  3. Step 3: Cross multiply
    32,940.32x = 49,420.98 × 20,419.28
  4. Step 4: Simplify right side
    32,940.32x = 1,009,140,828.49
  5. Step 5: Solve for x
    x = 1,009,140,828.49/32,940.32
  6. Step 6: Final answer
    x = 30,635.43

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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.