Home / 42,028.08-63,046.16-13,942.16

Finding the Fourth Proportional to 42,028.08, 63,046.16 and 13,942.16

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Solution

The fourth proportional to 42,028.08, 63,046.16 and 13,942.16 is: 20,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.08 : 63,046.16 = 13,942.16 : x
  2. Step 2: Convert to fraction form
    42,028.08/63,046.16 = 13,942.16/x
  3. Step 3: Cross multiply
    42,028.08x = 63,046.16 × 13,942.16
  4. Step 4: Simplify right side
    42,028.08x = 878,999,650.11
  5. Step 5: Solve for x
    x = 878,999,650.11/42,028.08
  6. Step 6: Final answer
    x = 20,914.58

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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.