Home / 42,919.92-64,362.06-16,609.50

Finding the Fourth Proportional to 42,919.92, 64,362.06 and 16,609.50

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Solution

The fourth proportional to 42,919.92, 64,362.06 and 16,609.50 is: 24,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,919.92 : 64,362.06 = 16,609.50 : x
  2. Step 2: Convert to fraction form
    42,919.92/64,362.06 = 16,609.50/x
  3. Step 3: Cross multiply
    42,919.92x = 64,362.06 × 16,609.50
  4. Step 4: Simplify right side
    42,919.92x = 1,069,021,635.57
  5. Step 5: Solve for x
    x = 1,069,021,635.57/42,919.92
  6. Step 6: Final answer
    x = 24,907.35

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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.