Home / 43,234.50-64,851.75-10,402.50

Finding the Fourth Proportional to 43,234.50, 64,851.75 and 10,402.50

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Solution

The fourth proportional to 43,234.50, 64,851.75 and 10,402.50 is: 15,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,234.50 : 64,851.75 = 10,402.50 : x
  2. Step 2: Convert to fraction form
    43,234.50/64,851.75 = 10,402.50/x
  3. Step 3: Cross multiply
    43,234.50x = 64,851.75 × 10,402.50
  4. Step 4: Simplify right side
    43,234.50x = 674,620,329.38
  5. Step 5: Solve for x
    x = 674,620,329.38/43,234.50
  6. Step 6: Final answer
    x = 15,603.75

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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.