Home / 42,178.22-63,267.36-12,596.60

Finding the Fourth Proportional to 42,178.22, 63,267.36 and 12,596.60

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Solution

The fourth proportional to 42,178.22, 63,267.36 and 12,596.60 is: 18,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,178.22 : 63,267.36 = 12,596.60 : x
  2. Step 2: Convert to fraction form
    42,178.22/63,267.36 = 12,596.60/x
  3. Step 3: Cross multiply
    42,178.22x = 63,267.36 × 12,596.60
  4. Step 4: Simplify right side
    42,178.22x = 796,953,626.98
  5. Step 5: Solve for x
    x = 796,953,626.98/42,178.22
  6. Step 6: Final answer
    x = 18,894.91

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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.