Home / 42,791.04-64,172.90-14,704.32

Finding the Fourth Proportional to 42,791.04, 64,172.90 and 14,704.32

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Solution

The fourth proportional to 42,791.04, 64,172.90 and 14,704.32 is: 22,051.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,791.04 : 64,172.90 = 14,704.32 : x
  2. Step 2: Convert to fraction form
    42,791.04/64,172.90 = 14,704.32/x
  3. Step 3: Cross multiply
    42,791.04x = 64,172.90 × 14,704.32
  4. Step 4: Simplify right side
    42,791.04x = 943,618,856.93
  5. Step 5: Solve for x
    x = 943,618,856.93/42,791.04
  6. Step 6: Final answer
    x = 22,051.79

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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.