Home / 42,023.64-63,041.94-12,446.04

Finding the Fourth Proportional to 42,023.64, 63,041.94 and 12,446.04

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Solution

The fourth proportional to 42,023.64, 63,041.94 and 12,446.04 is: 18,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,023.64 : 63,041.94 = 12,446.04 : x
  2. Step 2: Convert to fraction form
    42,023.64/63,041.94 = 12,446.04/x
  3. Step 3: Cross multiply
    42,023.64x = 63,041.94 × 12,446.04
  4. Step 4: Simplify right side
    42,023.64x = 784,622,506.92
  5. Step 5: Solve for x
    x = 784,622,506.92/42,023.64
  6. Step 6: Final answer
    x = 18,670.98

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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.