Home / 51,938.04-77,860.44-18,650.40

Finding the Fourth Proportional to 51,938.04, 77,860.44 and 18,650.40

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Solution

The fourth proportional to 51,938.04, 77,860.44 and 18,650.40 is: 27,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,938.04 : 77,860.44 = 18,650.40 : x
  2. Step 2: Convert to fraction form
    51,938.04/77,860.44 = 18,650.40/x
  3. Step 3: Cross multiply
    51,938.04x = 77,860.44 × 18,650.40
  4. Step 4: Simplify right side
    51,938.04x = 1,452,128,350.18
  5. Step 5: Solve for x
    x = 1,452,128,350.18/51,938.04
  6. Step 6: Final answer
    x = 27,958.86

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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.