Home / 39,951.81-59,964.75-20,244.09

Finding the Fourth Proportional to 39,951.81, 59,964.75 and 20,244.09

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Solution

The fourth proportional to 39,951.81, 59,964.75 and 20,244.09 is: 30,384.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.81 : 59,964.75 = 20,244.09 : x
  2. Step 2: Convert to fraction form
    39,951.81/59,964.75 = 20,244.09/x
  3. Step 3: Cross multiply
    39,951.81x = 59,964.75 × 20,244.09
  4. Step 4: Simplify right side
    39,951.81x = 1,213,931,795.83
  5. Step 5: Solve for x
    x = 1,213,931,795.83/39,951.81
  6. Step 6: Final answer
    x = 30,384.90

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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.