Home / 32,445.12-48,604.56-21,318.30

Finding the Fourth Proportional to 32,445.12, 48,604.56 and 21,318.30

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Solution

The fourth proportional to 32,445.12, 48,604.56 and 21,318.30 is: 31,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,445.12 : 48,604.56 = 21,318.30 : x
  2. Step 2: Convert to fraction form
    32,445.12/48,604.56 = 21,318.30/x
  3. Step 3: Cross multiply
    32,445.12x = 48,604.56 × 21,318.30
  4. Step 4: Simplify right side
    32,445.12x = 1,036,166,591.45
  5. Step 5: Solve for x
    x = 1,036,166,591.45/32,445.12
  6. Step 6: Final answer
    x = 31,935.98

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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.