Home / 42,163.98-63,238.65-15,868.92

Finding the Fourth Proportional to 42,163.98, 63,238.65 and 15,868.92

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Solution

The fourth proportional to 42,163.98, 63,238.65 and 15,868.92 is: 23,800.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,163.98 : 63,238.65 = 15,868.92 : x
  2. Step 2: Convert to fraction form
    42,163.98/63,238.65 = 15,868.92/x
  3. Step 3: Cross multiply
    42,163.98x = 63,238.65 × 15,868.92
  4. Step 4: Simplify right side
    42,163.98x = 1,003,529,077.76
  5. Step 5: Solve for x
    x = 1,003,529,077.76/42,163.98
  6. Step 6: Final answer
    x = 23,800.63

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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.