Home / 42,692.66-64,039.53-11,528.54

Finding the Fourth Proportional to 42,692.66, 64,039.53 and 11,528.54

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Solution

The fourth proportional to 42,692.66, 64,039.53 and 11,528.54 is: 17,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.66 : 64,039.53 = 11,528.54 : x
  2. Step 2: Convert to fraction form
    42,692.66/64,039.53 = 11,528.54/x
  3. Step 3: Cross multiply
    42,692.66x = 64,039.53 × 11,528.54
  4. Step 4: Simplify right side
    42,692.66x = 738,282,283.19
  5. Step 5: Solve for x
    x = 738,282,283.19/42,692.66
  6. Step 6: Final answer
    x = 17,292.96

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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.