Home / 51,800.85-77,681.75-16,731.09

Finding the Fourth Proportional to 51,800.85, 77,681.75 and 16,731.09

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Solution

The fourth proportional to 51,800.85, 77,681.75 and 16,731.09 is: 25,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,800.85 : 77,681.75 = 16,731.09 : x
  2. Step 2: Convert to fraction form
    51,800.85/77,681.75 = 16,731.09/x
  3. Step 3: Cross multiply
    51,800.85x = 77,681.75 × 16,731.09
  4. Step 4: Simplify right side
    51,800.85x = 1,299,700,266.95
  5. Step 5: Solve for x
    x = 1,299,700,266.95/51,800.85
  6. Step 6: Final answer
    x = 25,090.33

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1.5x scale

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.