Home / 42,120.96-63,137.04-14,033.52

Finding the Fourth Proportional to 42,120.96, 63,137.04 and 14,033.52

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Solution

The fourth proportional to 42,120.96, 63,137.04 and 14,033.52 is: 21,035.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,120.96 : 63,137.04 = 14,033.52 : x
  2. Step 2: Convert to fraction form
    42,120.96/63,137.04 = 14,033.52/x
  3. Step 3: Cross multiply
    42,120.96x = 63,137.04 × 14,033.52
  4. Step 4: Simplify right side
    42,120.96x = 886,034,913.58
  5. Step 5: Solve for x
    x = 886,034,913.58/42,120.96
  6. Step 6: Final answer
    x = 21,035.49

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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.