Home / 42,178.56-63,267.93-12,594.07

Finding the Fourth Proportional to 42,178.56, 63,267.93 and 12,594.07

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Solution

The fourth proportional to 42,178.56, 63,267.93 and 12,594.07 is: 18,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,178.56 : 63,267.93 = 12,594.07 : x
  2. Step 2: Convert to fraction form
    42,178.56/63,267.93 = 12,594.07/x
  3. Step 3: Cross multiply
    42,178.56x = 63,267.93 × 12,594.07
  4. Step 4: Simplify right side
    42,178.56x = 796,800,771.03
  5. Step 5: Solve for x
    x = 796,800,771.03/42,178.56
  6. Step 6: Final answer
    x = 18,891.13

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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.