Home / 42,390.96-63,583.60-17,424.56

Finding the Fourth Proportional to 42,390.96, 63,583.60 and 17,424.56

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Solution

The fourth proportional to 42,390.96, 63,583.60 and 17,424.56 is: 26,135.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,390.96 : 63,583.60 = 17,424.56 : x
  2. Step 2: Convert to fraction form
    42,390.96/63,583.60 = 17,424.56/x
  3. Step 3: Cross multiply
    42,390.96x = 63,583.60 × 17,424.56
  4. Step 4: Simplify right side
    42,390.96x = 1,107,916,253.22
  5. Step 5: Solve for x
    x = 1,107,916,253.22/42,390.96
  6. Step 6: Final answer
    x = 26,135.67

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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.