Home / 51,810.63-77,666.73-20,197.54

Finding the Fourth Proportional to 51,810.63, 77,666.73 and 20,197.54

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Solution

The fourth proportional to 51,810.63, 77,666.73 and 20,197.54 is: 30,277.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,810.63 : 77,666.73 = 20,197.54 : x
  2. Step 2: Convert to fraction form
    51,810.63/77,666.73 = 20,197.54/x
  3. Step 3: Cross multiply
    51,810.63x = 77,666.73 × 20,197.54
  4. Step 4: Simplify right side
    51,810.63x = 1,568,676,885.84
  5. Step 5: Solve for x
    x = 1,568,676,885.84/51,810.63
  6. Step 6: Final answer
    x = 30,277.12

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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.