Home / 42,652.07-63,991.43-12,666.48

Finding the Fourth Proportional to 42,652.07, 63,991.43 and 12,666.48

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Solution

The fourth proportional to 42,652.07, 63,991.43 and 12,666.48 is: 19,003.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,652.07 : 63,991.43 = 12,666.48 : x
  2. Step 2: Convert to fraction form
    42,652.07/63,991.43 = 12,666.48/x
  3. Step 3: Cross multiply
    42,652.07x = 63,991.43 × 12,666.48
  4. Step 4: Simplify right side
    42,652.07x = 810,545,930.28
  5. Step 5: Solve for x
    x = 810,545,930.28/42,652.07
  6. Step 6: Final answer
    x = 19,003.67

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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.