Home / 49,773.40-74,688.90-18,611.80

Finding the Fourth Proportional to 49,773.40, 74,688.90 and 18,611.80

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Solution

The fourth proportional to 49,773.40, 74,688.90 and 18,611.80 is: 27,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,773.40 : 74,688.90 = 18,611.80 : x
  2. Step 2: Convert to fraction form
    49,773.40/74,688.90 = 18,611.80/x
  3. Step 3: Cross multiply
    49,773.40x = 74,688.90 × 18,611.80
  4. Step 4: Simplify right side
    49,773.40x = 1,390,094,869.02
  5. Step 5: Solve for x
    x = 1,390,094,869.02/49,773.40
  6. Step 6: Final answer
    x = 27,928.47

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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.