Home / 51,984.12-77,967.54-18,697.44

Finding the Fourth Proportional to 51,984.12, 77,967.54 and 18,697.44

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Solution

The fourth proportional to 51,984.12, 77,967.54 and 18,697.44 is: 28,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,984.12 : 77,967.54 = 18,697.44 : x
  2. Step 2: Convert to fraction form
    51,984.12/77,967.54 = 18,697.44/x
  3. Step 3: Cross multiply
    51,984.12x = 77,967.54 × 18,697.44
  4. Step 4: Simplify right side
    51,984.12x = 1,457,793,401.10
  5. Step 5: Solve for x
    x = 1,457,793,401.10/51,984.12
  6. Step 6: Final answer
    x = 28,043.05

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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.