Home / 42,015.06-63,013.77-18,626.58

Finding the Fourth Proportional to 42,015.06, 63,013.77 and 18,626.58

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Solution

The fourth proportional to 42,015.06, 63,013.77 and 18,626.58 is: 27,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,015.06 : 63,013.77 = 18,626.58 : x
  2. Step 2: Convert to fraction form
    42,015.06/63,013.77 = 18,626.58/x
  3. Step 3: Cross multiply
    42,015.06x = 63,013.77 × 18,626.58
  4. Step 4: Simplify right side
    42,015.06x = 1,173,731,028.01
  5. Step 5: Solve for x
    x = 1,173,731,028.01/42,015.06
  6. Step 6: Final answer
    x = 27,935.96

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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.