Home / 39,530.74-59,269.83-21,769.76

Finding the Fourth Proportional to 39,530.74, 59,269.83 and 21,769.76

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Solution

The fourth proportional to 39,530.74, 59,269.83 and 21,769.76 is: 32,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.74 : 59,269.83 = 21,769.76 : x
  2. Step 2: Convert to fraction form
    39,530.74/59,269.83 = 21,769.76/x
  3. Step 3: Cross multiply
    39,530.74x = 59,269.83 × 21,769.76
  4. Step 4: Simplify right side
    39,530.74x = 1,290,289,974.34
  5. Step 5: Solve for x
    x = 1,290,289,974.34/39,530.74
  6. Step 6: Final answer
    x = 32,640.17

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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.