Home / 42,143.92-63,195.06-14,054.32

Finding the Fourth Proportional to 42,143.92, 63,195.06 and 14,054.32

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Solution

The fourth proportional to 42,143.92, 63,195.06 and 14,054.32 is: 21,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,143.92 : 63,195.06 = 14,054.32 : x
  2. Step 2: Convert to fraction form
    42,143.92/63,195.06 = 14,054.32/x
  3. Step 3: Cross multiply
    42,143.92x = 63,195.06 × 14,054.32
  4. Step 4: Simplify right side
    42,143.92x = 888,163,595.66
  5. Step 5: Solve for x
    x = 888,163,595.66/42,143.92
  6. Step 6: Final answer
    x = 21,074.54

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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.