Home / 74,315.81-111,485.33-24,384.55

Finding the Fourth Proportional to 74,315.81, 111,485.33 and 24,384.55

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Solution

The fourth proportional to 74,315.81, 111,485.33 and 24,384.55 is: 36,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.81 : 111,485.33 = 24,384.55 : x
  2. Step 2: Convert to fraction form
    74,315.81/111,485.33 = 24,384.55/x
  3. Step 3: Cross multiply
    74,315.81x = 111,485.33 × 24,384.55
  4. Step 4: Simplify right side
    74,315.81x = 2,718,519,817.04
  5. Step 5: Solve for x
    x = 2,718,519,817.04/74,315.81
  6. Step 6: Final answer
    x = 36,580.64

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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.